13721577332474 has 64 divisors (see below), whose sum is σ = 23513563975680. Its totient is φ = 5949041952000.

The previous prime is 13721577332471. The next prime is 13721577332497. The reversal of 13721577332474 is 47423377512731.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13721577332471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13297469 + ... + 14292159.

It is an arithmetic number, because the mean of its divisors is an integer number (367399437120).

Almost surely, 2^{13721577332474} is an apocalyptic number.

13721577332474 is a deficient number, since it is larger than the sum of its proper divisors (9791986643206).

13721577332474 is a wasteful number, since it uses less digits than its factorization.

13721577332474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995027.

The product of its digits is 20744640, while the sum is 56.

The spelling of 13721577332474 in words is "thirteen trillion, seven hundred twenty-one billion, five hundred seventy-seven million, three hundred thirty-two thousand, four hundred seventy-four".