3913901563 has 16 divisors (see below), whose sum is σ = 4601965536. Its totient is φ = 3281667840.

The previous prime is 3913901557. The next prime is 3913901587. The reversal of 3913901563 is 3651093193.

It is a de Polignac number, because none of the positive numbers 2^k-3913901563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3913901363) 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, 171895 + ... + 193327.

It is an arithmetic number, because the mean of its divisors is an integer number (287622846).

Almost surely, 2^3913901563 is an apocalyptic number.

3913901563 is a deficient number, since it is larger than the sum of its proper divisors (688063973).

3913901563 is a wasteful number, since it uses less digits than its factorization.

3913901563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22734.

The product of its (nonzero) digits is 65610, while the sum is 40.

The square root of 3913901563 is about 62561.1825575572. The cubic root of 3913901563 is about 1575.9289473140.

The spelling of 3913901563 in words is "three billion, nine hundred thirteen million, nine hundred one thousand, five hundred sixty-three".