102462412127809 has 2 divisors, whose sum is σ = 102462412127810. Its totient is φ = 102462412127808.

The previous prime is 102462412127753. The next prime is 102462412127819. The reversal of 102462412127809 is 908721214264201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82858637539584 + 19603774588225 = 9102672^2 + 4427615^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102462412127809 is a prime.

It is a super-2 number, since 2×102462412127809² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102462412127819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51231206063904 + 51231206063905.

It is an arithmetic number, because the mean of its divisors is an integer number (51231206063905).

Almost surely, 2^{102462412127809} is an apocalyptic number.

It is an amenable number.

102462412127809 is a deficient number, since it is larger than the sum of its proper divisors (1).

102462412127809 is an equidigital number, since it uses as much as digits as its factorization.

102462412127809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 102462412127809 in words is "one hundred two trillion, four hundred sixty-two billion, four hundred twelve million, one hundred twenty-seven thousand, eight hundred nine".