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10609101961 is a prime number
BaseRepresentation
bin10011110000101101…
…00000110010001001
31000101100220012221021
421320112200302021
5133211412230321
64512421512441
7523621610263
oct117026406211
930340805837
1010609101961
11455461a367
122080b72721
131000c51c33
14728dd8b33
154215c7941
hex2785a0c89

10609101961 has 2 divisors, whose sum is σ = 10609101962. Its totient is φ = 10609101960.

The previous prime is 10609101959. The next prime is 10609101967. The reversal of 10609101961 is 16910190601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8107201600 + 2501900361 = 90040^2 + 50019^2 .

It is an emirp because it is prime and its reverse (16910190601) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 19610160901 and 10906101691.

It is a cyclic number.

It is not a de Polignac number, because 10609101961 - 21 = 10609101959 is a prime.

It is a super-2 number, since 2×106091019612 (a number of 21 digits) contains 22 as substring.

Together with 10609101959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10609101967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5304550980 + 5304550981.

It is an arithmetic number, because the mean of its divisors is an integer number (5304550981).

Almost surely, 210609101961 is an apocalyptic number.

It is an amenable number.

10609101961 is a deficient number, since it is larger than the sum of its proper divisors (1).

10609101961 is an equidigital number, since it uses as much as digits as its factorization.

10609101961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 34.

The spelling of 10609101961 in words is "ten billion, six hundred nine million, one hundred one thousand, nine hundred sixty-one".