2745264631 has 4 divisors (see below), whose sum is σ = 2791794600. Its totient is φ = 2698734664.

The previous prime is 2745264623. The next prime is 2745264667. The reversal of 2745264631 is 1364625472.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2745264631 - 2³ = 2745264623 is a prime.

It is a super-2 number, since 2×2745264631² = 15072955788439132322, 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 (2745264331) 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, 23264896 + ... + 23265013.

It is an arithmetic number, because the mean of its divisors is an integer number (697948650).

Almost surely, 2^2745264631 is an apocalyptic number.

2745264631 is a deficient number, since it is larger than the sum of its proper divisors (46529969).

2745264631 is an equidigital number, since it uses as much as digits as its factorization.

2745264631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46529968.

The product of its digits is 241920, while the sum is 40.

The square root of 2745264631 is about 52395.2729833522. The cubic root of 2745264631 is about 1400.2150402674.

The spelling of 2745264631 in words is "two billion, seven hundred forty-five million, two hundred sixty-four thousand, six hundred thirty-one".