2772450631 has 4 divisors (see below), whose sum is σ = 2772560952. Its totient is φ = 2772340312.

The previous prime is 2772450623. The next prime is 2772450641. The reversal of 2772450631 is 1360542772.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2772450631 - 2³ = 2772450623 is a prime.

It is a super-2 number, since 2×2772450631² = 15372965002664596322, 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 (2772450601) 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, 2925 + ... + 74521.

It is an arithmetic number, because the mean of its divisors is an integer number (693140238).

Almost surely, 2^2772450631 is an apocalyptic number.

2772450631 is a deficient number, since it is larger than the sum of its proper divisors (110321).

2772450631 is an equidigital number, since it uses as much as digits as its factorization.

2772450631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110320.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 2772450631 is about 52654.0656644860. The cubic root of 2772450631 is about 1404.8219158540.

The spelling of 2772450631 in words is "two billion, seven hundred seventy-two million, four hundred fifty thousand, six hundred thirty-one".