1317304453672 has 16 divisors (see below), whose sum is σ = 2471034446100. Its totient is φ = 658361934720.

The previous prime is 1317304453667. The next prime is 1317304453691. The reversal of 1317304453672 is 2763544037131.

It can be written as a sum of positive squares in 2 ways, for example, as 1310095424836 + 7209028836 = 1144594^2 + 84906^2 .

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, 36267229 + ... + 36303532.

Almost surely, 2^{1317304453672} is an apocalyptic number.

It is an amenable number.

1317304453672 is a deficient number, since it is larger than the sum of its proper divisors (1153729992428).

1317304453672 is a wasteful number, since it uses less digits than its factorization.

1317304453672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72573036 (or 72573032 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 1317304453672 in words is "one trillion, three hundred seventeen billion, three hundred four million, four hundred fifty-three thousand, six hundred seventy-two".