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618040754413 is a prime number
BaseRepresentation
bin10001111111001100001…
…10011000000011101101
32012002021022201100001121
420333212012120003231
540111221413120123
61151531330140541
762436424506445
oct10774606300355
92162238640047
10618040754413
11219122991395
129b944721751
1346386459b14
1421cb027d125
1511123ac675d
hex8fe61980ed

618040754413 has 2 divisors, whose sum is σ = 618040754414. Its totient is φ = 618040754412.

The previous prime is 618040754411. The next prime is 618040754417. The reversal of 618040754413 is 314457040816.

618040754413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455243030089 + 162797724324 = 674717^2 + 403482^2 .

It is a cyclic number.

It is not a de Polignac number, because 618040754413 - 21 = 618040754411 is a prime.

Together with 618040754411, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 618040754413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (618040754411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309020377206 + 309020377207.

It is an arithmetic number, because the mean of its divisors is an integer number (309020377207).

Almost surely, 2618040754413 is an apocalyptic number.

It is an amenable number.

618040754413 is a deficient number, since it is larger than the sum of its proper divisors (1).

618040754413 is an equidigital number, since it uses as much as digits as its factorization.

618040754413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 618040754413 in words is "six hundred eighteen billion, forty million, seven hundred fifty-four thousand, four hundred thirteen".