3721985953 has 32 divisors (see below), whose sum is σ = 4505600000. Its totient is φ = 3070100880.

The previous prime is 3721985941. The next prime is 3721985983. The reversal of 3721985953 is 3595891273.

It is not a de Polignac number, because 3721985953 - 2⁵ = 3721985921 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3721985953.

It is not an unprimeable number, because it can be changed into a prime (3721985983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2115088 + ... + 2116846.

It is an arithmetic number, because the mean of its divisors is an integer number (140800000).

Almost surely, 2^3721985953 is an apocalyptic number.

It is an amenable number.

3721985953 is a deficient number, since it is larger than the sum of its proper divisors (783614047).

3721985953 is a wasteful number, since it uses less digits than its factorization.

3721985953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010 (or 1996 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 52.

The square root of 3721985953 is about 61008.0810466941. The cubic root of 3721985953 is about 1549.7378610454.

The spelling of 3721985953 in words is "three billion, seven hundred twenty-one million, nine hundred eighty-five thousand, nine hundred fifty-three".