4918819131 has 6 divisors (see below), whose sum is σ = 7104960980. Its totient is φ = 3279212748.

The previous prime is 4918819127. The next prime is 4918819163. The reversal of 4918819131 is 1319188194.

It is a happy number.

It is not a de Polignac number, because 4918819131 - 2² = 4918819127 is a prime.

It is a super-2 number, since 2×4918819131² = 48389563286983190322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4918819181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 273267721 + ... + 273267738.

Almost surely, 2^4918819131 is an apocalyptic number.

4918819131 is a deficient number, since it is larger than the sum of its proper divisors (2186141849).

4918819131 is a wasteful number, since it uses less digits than its factorization.

4918819131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546535465 (or 546535462 counting only the distinct ones).

The product of its digits is 62208, while the sum is 45.

The square root of 4918819131 is about 70134.2935445991. The cubic root of 4918819131 is about 1700.6709152306.

The spelling of 4918819131 in words is "four billion, nine hundred eighteen million, eight hundred nineteen thousand, one hundred thirty-one".