3139997697 has 32 divisors (see below), whose sum is σ = 4908729600. Its totient is φ = 1979784576.

The previous prime is 3139997683. The next prime is 3139997713. The reversal of 3139997697 is 7967999313.

It is not a de Polignac number, because 3139997697 - 2⁴ = 3139997681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3139997647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26863 + ... + 83675.

It is an arithmetic number, because the mean of its divisors is an integer number (153397800).

Almost surely, 2^3139997697 is an apocalyptic number.

It is an amenable number.

3139997697 is a deficient number, since it is larger than the sum of its proper divisors (1768731903).

3139997697 is a wasteful number, since it uses less digits than its factorization.

3139997697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56934 (or 56928 counting only the distinct ones).

The product of its digits is 17360406, while the sum is 63.

The square root of 3139997697 is about 56035.6823550851. The cubic root of 3139997697 is about 1464.3439925004.

The spelling of 3139997697 in words is "three billion, one hundred thirty-nine million, nine hundred ninety-seven thousand, six hundred ninety-seven".