15479466064 has 20 divisors (see below), whose sum is σ = 30026651956. Its totient is φ = 7730652672.

The previous prime is 15479466031. The next prime is 15479466077. The reversal of 15479466064 is 46066497451.

It can be written as a sum of positive squares in 2 ways, for example, as 5777216064 + 9702250000 = 76008^2 + 98500^2 .

It is a super-2 number, since 2×15479466064² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553449 + ... + 580744.

Almost surely, 2^15479466064 is an apocalyptic number.

It is an amenable number.

15479466064 is a deficient number, since it is larger than the sum of its proper divisors (14547185892).

15479466064 is a wasteful number, since it uses less digits than its factorization.

15479466064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135054 (or 1135048 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 15479466064 in words is "fifteen billion, four hundred seventy-nine million, four hundred sixty-six thousand, sixty-four".