4891532863 has 16 divisors (see below), whose sum is σ = 5792186880. Its totient is φ = 4041799776.

The previous prime is 4891532857. The next prime is 4891532879. The reversal of 4891532863 is 3682351984.

It is not a de Polignac number, because 4891532863 - 2⁵ = 4891532831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4891532263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112720 + ... + 149962.

It is an arithmetic number, because the mean of its divisors is an integer number (362011680).

Almost surely, 2^4891532863 is an apocalyptic number.

4891532863 is a deficient number, since it is larger than the sum of its proper divisors (900654017).

4891532863 is a wasteful number, since it uses less digits than its factorization.

4891532863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37926.

The product of its digits is 1244160, while the sum is 49.

The square root of 4891532863 is about 69939.4943004309. The cubic root of 4891532863 is about 1697.5203598973.

The spelling of 4891532863 in words is "four billion, eight hundred ninety-one million, five hundred thirty-two thousand, eight hundred sixty-three".