3975698834 has 24 divisors (see below), whose sum is σ = 6090165900. Its totient is φ = 1946488352.

The previous prime is 3975698821. The next prime is 3975698869. The reversal of 3975698834 is 4388965793.

It can be written as a sum of positive squares in 2 ways, for example, as 3255044809 + 720654025 = 57053^2 + 26845^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2038892 + ... + 2040840.

Almost surely, 2^3975698834 is an apocalyptic number.

3975698834 is a deficient number, since it is larger than the sum of its proper divisors (2114467066).

3975698834 is a wasteful number, since it uses less digits than its factorization.

3975698834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362 (or 2303 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 62.

The square root of 3975698834 is about 63053.1429351464. The cubic root of 3975698834 is about 1584.1798785728.

The spelling of 3975698834 in words is "three billion, nine hundred seventy-five million, six hundred ninety-eight thousand, eight hundred thirty-four".