2642944475 has 12 divisors (see below), whose sum is σ = 3353467656. Its totient is φ = 2065183680.

The previous prime is 2642944453. The next prime is 2642944483. The reversal of 2642944475 is 5744492462.

It is a happy number.

It is not a de Polignac number, because 2642944475 - 2¹² = 2642940379 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1228202 + ... + 1230351.

It is an arithmetic number, because the mean of its divisors is an integer number (279455638).

Almost surely, 2^2642944475 is an apocalyptic number.

2642944475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2642944475 is a deficient number, since it is larger than the sum of its proper divisors (710523181).

2642944475 is a wasteful number, since it uses less digits than its factorization.

2642944475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458606 (or 2458601 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 47.

The square root of 2642944475 is about 51409.5757130906. The cubic root of 2642944475 is about 1382.5982825771.

The spelling of 2642944475 in words is "two billion, six hundred forty-two million, nine hundred forty-four thousand, four hundred seventy-five".