2654081831 has 4 divisors (see below), whose sum is σ = 2661687000. Its totient is φ = 2646476664.

The previous prime is 2654081809. The next prime is 2654081887. The reversal of 2654081831 is 1381804562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1381804562 = 2 ⋅690902281.

It is a cyclic number.

It is not a de Polignac number, because 2654081831 - 2¹⁸ = 2653819687 is a prime.

It is a super-2 number, since 2×2654081831² = 14088300731288625122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2654081231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3802061 + ... + 3802758.

It is an arithmetic number, because the mean of its divisors is an integer number (665421750).

Almost surely, 2^2654081831 is an apocalyptic number.

2654081831 is a deficient number, since it is larger than the sum of its proper divisors (7605169).

2654081831 is an equidigital number, since it uses as much as digits as its factorization.

2654081831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7605168.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 2654081831 is about 51517.7816971966. The cubic root of 2654081831 is about 1384.5376485882.

The spelling of 2654081831 in words is "two billion, six hundred fifty-four million, eighty-one thousand, eight hundred thirty-one".