1329974597 has 16 divisors (see below), whose sum is σ = 1655145600. Its totient is φ = 1042735680.

The previous prime is 1329974593. The next prime is 1329974599. The reversal of 1329974597 is 7954799231.

It is not a de Polignac number, because 1329974597 - 2² = 1329974593 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329974593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168554 + ... + 176267.

It is an arithmetic number, because the mean of its divisors is an integer number (103446600).

Almost surely, 2^1329974597 is an apocalyptic number.

It is an amenable number.

1329974597 is a deficient number, since it is larger than the sum of its proper divisors (325171003).

1329974597 is a wasteful number, since it uses less digits than its factorization.

1329974597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344876.

The product of its digits is 4286520, while the sum is 56.

The square root of 1329974597 is about 36468.8167754316. The cubic root of 1329974597 is about 1099.7174472627.

The spelling of 1329974597 in words is "one billion, three hundred twenty-nine million, nine hundred seventy-four thousand, five hundred ninety-seven".