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61464410429 is a prime number
BaseRepresentation
bin111001001111100100…
…000111100100111101
312212122120010120012112
4321033210013210331
52001334342113204
644123015343405
74304100603602
oct711744074475
9185576116175
1061464410429
112408106a314
12bab4381b65
135a46c6b236
142d911706a9
1518eb0bc26e
hexe4f90793d

61464410429 has 2 divisors, whose sum is σ = 61464410430. Its totient is φ = 61464410428.

The previous prime is 61464410393. The next prime is 61464410443. The reversal of 61464410429 is 92401446416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58840204900 + 2624205529 = 242570^2 + 51227^2 .

It is a cyclic number.

It is not a de Polignac number, because 61464410429 - 224 = 61447633213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61464400429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30732205214 + 30732205215.

It is an arithmetic number, because the mean of its divisors is an integer number (30732205215).

Almost surely, 261464410429 is an apocalyptic number.

It is an amenable number.

61464410429 is a deficient number, since it is larger than the sum of its proper divisors (1).

61464410429 is an equidigital number, since it uses as much as digits as its factorization.

61464410429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 61464410429 in words is "sixty-one billion, four hundred sixty-four million, four hundred ten thousand, four hundred twenty-nine".