15474363972 has 12 divisors (see below), whose sum is σ = 36106849296. Its totient is φ = 5158121320.

The previous prime is 15474363967. The next prime is 15474363973. The reversal of 15474363972 is 27936347451.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (15474363973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644765154 + ... + 644765177.

It is an arithmetic number, because the mean of its divisors is an integer number (3008904108).

Almost surely, 2^15474363972 is an apocalyptic number.

15474363972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15474363972 is an abundant number, since it is smaller than the sum of its proper divisors (20632485324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15474363972 is a wasteful number, since it uses less digits than its factorization.

15474363972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289530338 (or 1289530336 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 51.

The spelling of 15474363972 in words is "fifteen billion, four hundred seventy-four million, three hundred sixty-three thousand, nine hundred seventy-two".