3125976775969 has 2 divisors, whose sum is σ = 3125976775970. Its totient is φ = 3125976775968.

The previous prime is 3125976775927. The next prime is 3125976775979. The reversal of 3125976775969 is 9695776795213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3099712360000 + 26264415969 = 1760600^2 + 162063^2 .

It is a cyclic number.

It is not a de Polignac number, because 3125976775969 - 2¹⁹ = 3125976251681 is a prime.

It is a super-2 number, since 2×3125976775969² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3125976775895 and 3125976775904.

It is not a weakly prime, because it can be changed into another prime (3125976775979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562988387984 + 1562988387985.

It is an arithmetic number, because the mean of its divisors is an integer number (1562988387985).

Almost surely, 2^{3125976775969} is an apocalyptic number.

It is an amenable number.

3125976775969 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125976775969 is an equidigital number, since it uses as much as digits as its factorization.

3125976775969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1350253800, while the sum is 76.

The spelling of 3125976775969 in words is "three trillion, one hundred twenty-five billion, nine hundred seventy-six million, seven hundred seventy-five thousand, nine hundred sixty-nine".