13402933972 has 6 divisors (see below), whose sum is σ = 23455134458. Its totient is φ = 6701466984.

The previous prime is 13402933961. The next prime is 13402933993. The reversal of 13402933972 is 27933920431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13011052356 + 391881616 = 114066^2 + 19796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1675366743 + ... + 1675366750.

Almost surely, 2^13402933972 is an apocalyptic number.

It is an amenable number.

13402933972 is a deficient number, since it is larger than the sum of its proper divisors (10052200486).

13402933972 is a wasteful number, since it uses less digits than its factorization.

13402933972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350733497 (or 3350733495 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 43.

The spelling of 13402933972 in words is "thirteen billion, four hundred two million, nine hundred thirty-three thousand, nine hundred seventy-two".