13403155984 has 45 divisors (see below), whose sum is σ = 26316838029. Its totient is φ = 6612896640.

The previous prime is 13403155979. The next prime is 13403155991. The reversal of 13403155984 is 48955130431.

The square root of 13403155984 is 115772.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9057709584 + 4345446400 = 95172^2 + 65920^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13403155984.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 47697924 + ... + 47698204.

Almost surely, 2^13403155984 is an apocalyptic number.

13403155984 is the 115772-nd square number.

It is an amenable number.

13403155984 is a deficient number, since it is larger than the sum of its proper divisors (12913682045).

13403155984 is an frugal number, since it uses more digits than its factorization.

13403155984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 13403155984 in words is "thirteen billion, four hundred three million, one hundred fifty-five thousand, nine hundred eighty-four".