3931915063 has 2 divisors, whose sum is σ = 3931915064. Its totient is φ = 3931915062.

The previous prime is 3931915051. The next prime is 3931915103. The reversal of 3931915063 is 3605191393.

It is an a-pointer prime, because the next prime (3931915103) can be obtained adding 3931915063 to its sum of digits (40).

It is a weak prime.

It is an emirp because it is prime and its reverse (3605191393) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3931915063 - 2²⁹ = 3395044151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3931919063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1965957531 + 1965957532.

It is an arithmetic number, because the mean of its divisors is an integer number (1965957532).

Almost surely, 2^3931915063 is an apocalyptic number.

3931915063 is a deficient number, since it is larger than the sum of its proper divisors (1).

3931915063 is an equidigital number, since it uses as much as digits as its factorization.

3931915063 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3931915063 is about 62704.9843553126. The cubic root of 3931915063 is about 1578.3429541812.

It can be divided in two parts, 393 and 1915063, that added together give a square (1915456 = 1384²).

The spelling of 3931915063 in words is "three billion, nine hundred thirty-one million, nine hundred fifteen thousand, sixty-three".