15647274652 has 12 divisors (see below), whose sum is σ = 27417093480. Its totient is φ = 7813819376.

The previous prime is 15647274637. The next prime is 15647274677. The reversal of 15647274652 is 25647274651.

It is a super-2 number, since 2×15647274652² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15647274596 and 15647274605.

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, 2450902 + ... + 2457277.

It is an arithmetic number, because the mean of its divisors is an integer number (2284757790).

Almost surely, 2^15647274652 is an apocalyptic number.

It is an amenable number.

15647274652 is a deficient number, since it is larger than the sum of its proper divisors (11769818828).

15647274652 is a wasteful number, since it uses less digits than its factorization.

15647274652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908980 (or 4908978 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 49.

Subtracting 15647274652 from its reverse (25647274651), we obtain a palindrome (9999999999).

The spelling of 15647274652 in words is "fifteen billion, six hundred forty-seven million, two hundred seventy-four thousand, six hundred fifty-two".