5091321963 has 32 divisors (see below), whose sum is σ = 8391577600. Its totient is φ = 2673772416.

The previous prime is 5091321941. The next prime is 5091322013. The reversal of 5091321963 is 3691231905.

It is not a de Polignac number, because 5091321963 - 2⁶ = 5091321899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is the 71354-th Hogben number.

It is not an unprimeable number, because it can be changed into a prime (5091325963) by changing a digit.

It is a nontrivial repunit in base 71353.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21798 + ... + 103236.

It is an arithmetic number, because the mean of its divisors is an integer number (262236800).

Almost surely, 2^5091321963 is an apocalyptic number.

5091321963 is a deficient number, since it is larger than the sum of its proper divisors (3300255637).

5091321963 is a wasteful number, since it uses less digits than its factorization.

5091321963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81691.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 5091321963 is about 71353.5000052555. The cubic root of 5091321963 is about 1720.3237585741.

The spelling of 5091321963 in words is "five billion, ninety-one million, three hundred twenty-one thousand, nine hundred sixty-three".