315647401473 has 16 divisors (see below), whose sum is σ = 477575266560. Its totient is φ = 205954332048.

The previous prime is 315647401457. The next prime is 315647401483. The reversal of 315647401473 is 374104746513.

315647401473 is a `hidden beast` number, since 3 + 1 + 564 + 7 + 4 + 0 + 14 + 73 = 666.

It is not a de Polignac number, because 315647401473 - 2⁴ = 315647401457 is a prime.

It is a super-4 number, since 4×315647401473⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (315647401483) 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 15 ways as a sum of consecutive naturals, for example, 124367290 + ... + 124369827.

It is an arithmetic number, because the mean of its divisors is an integer number (29848454160).

Almost surely, 2^315647401473 is an apocalyptic number.

It is an amenable number.

315647401473 is a deficient number, since it is larger than the sum of its proper divisors (161927865087).

315647401473 is a wasteful number, since it uses less digits than its factorization.

315647401473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248737173 (or 248737167 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 315647401473 in words is "three hundred fifteen billion, six hundred forty-seven million, four hundred one thousand, four hundred seventy-three".