3975497793 has 16 divisors (see below), whose sum is σ = 5890916160. Its totient is φ = 2649751488.

The previous prime is 3975497789. The next prime is 3975497807. The reversal of 3975497793 is 3977945793.

3975497793 is a `hidden beast` number, since 3 + 9 + 75 + 497 + 79 + 3 = 666.

It is not a de Polignac number, because 3975497793 - 2² = 3975497789 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3975497793.

It is not an unprimeable number, because it can be changed into a prime (3975497093) 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, 135321 + ... + 162057.

It is an arithmetic number, because the mean of its divisors is an integer number (368182260).

Almost surely, 2^3975497793 is an apocalyptic number.

It is an amenable number.

3975497793 is a deficient number, since it is larger than the sum of its proper divisors (1915418367).

3975497793 is a wasteful number, since it uses less digits than its factorization.

3975497793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32253 (or 32247 counting only the distinct ones).

The product of its digits is 45008460, while the sum is 63.

The square root of 3975497793 is about 63051.5486962850. The cubic root of 3975497793 is about 1584.1531754707.

The spelling of 3975497793 in words is "three billion, nine hundred seventy-five million, four hundred ninety-seven thousand, seven hundred ninety-three".