1269924595057 has 2 divisors, whose sum is σ = 1269924595058. Its totient is φ = 1269924595056.

The previous prime is 1269924595019. The next prime is 1269924595063. The reversal of 1269924595057 is 7505954299621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 721193291361 + 548731303696 = 849231^2 + 740764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1269924595057 is a prime.

It is a super-2 number, since 2×1269924595057² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1269924595057.

It is not a weakly prime, because it can be changed into another prime (1269924595097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634962297528 + 634962297529.

It is an arithmetic number, because the mean of its divisors is an integer number (634962297529).

Almost surely, 2^{1269924595057} is an apocalyptic number.

It is an amenable number.

1269924595057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1269924595057 is an equidigital number, since it uses as much as digits as its factorization.

1269924595057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236000, while the sum is 64.

The spelling of 1269924595057 in words is "one trillion, two hundred sixty-nine billion, nine hundred twenty-four million, five hundred ninety-five thousand, fifty-seven".