3951900641 has 16 divisors (see below), whose sum is σ = 4443479040. Its totient is φ = 3487302720.

The previous prime is 3951900637. The next prime is 3951900643. The reversal of 3951900641 is 1460091593.

It is a cyclic number.

It is not a de Polignac number, because 3951900641 - 2² = 3951900637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3951900595 and 3951900604.

It is not an unprimeable number, because it can be changed into a prime (3951900643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810551 + ... + 815411.

It is an arithmetic number, because the mean of its divisors is an integer number (277717440).

Almost surely, 2^3951900641 is an apocalyptic number.

It is an amenable number.

3951900641 is a deficient number, since it is larger than the sum of its proper divisors (491578399).

3951900641 is a wasteful number, since it uses less digits than its factorization.

3951900641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7616.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 3951900641 is about 62864.1443193177. The cubic root of 3951900641 is about 1581.0126287834.

The spelling of 3951900641 in words is "three billion, nine hundred fifty-one million, nine hundred thousand, six hundred forty-one".