3959950641 has 48 divisors (see below), whose sum is σ = 6003615744. Its totient is φ = 2311828992.

The previous prime is 3959950637. The next prime is 3959950681. The reversal of 3959950641 is 1460599593.

It is not a de Polignac number, because 3959950641 - 2² = 3959950637 is a prime.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (3959950681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 996240 + ... + 1000206.

It is an arithmetic number, because the mean of its divisors is an integer number (125075328).

Almost surely, 2^3959950641 is an apocalyptic number.

It is an amenable number.

3959950641 is a deficient number, since it is larger than the sum of its proper divisors (2043665103).

3959950641 is a wasteful number, since it uses less digits than its factorization.

3959950641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070 (or 4047 counting only the distinct ones).

The product of its (nonzero) digits is 1312200, while the sum is 51.

The square root of 3959950641 is about 62928.1387059875. The cubic root of 3959950641 is about 1582.0854053932.

The spelling of 3959950641 in words is "three billion, nine hundred fifty-nine million, nine hundred fifty thousand, six hundred forty-one".