315749656953 has 10 divisors (see below), whose sum is σ = 471675413594. Its totient is φ = 210499771248.

The previous prime is 315749656951. The next prime is 315749656987. The reversal of 315749656953 is 359656947513.

315749656953 is a `hidden beast` number, since 3 + 1 + 5 + 7 + 496 + 56 + 95 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 218712422889 + 97037234064 = 467667^2 + 311508^2 .

It is not a de Polignac number, because 315749656953 - 2¹ = 315749656951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315749656951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1949071876 + ... + 1949072037.

Almost surely, 2^315749656953 is an apocalyptic number.

It is an amenable number.

315749656953 is a deficient number, since it is larger than the sum of its proper divisors (155925756641).

315749656953 is an equidigital number, since it uses as much as digits as its factorization.

315749656953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898143925 (or 3898143916 counting only the distinct ones).

The product of its digits is 91854000, while the sum is 63.

The spelling of 315749656953 in words is "three hundred fifteen billion, seven hundred forty-nine million, six hundred fifty-six thousand, nine hundred fifty-three".