2625442954 has 12 divisors (see below), whose sum is σ = 4036565142. Its totient is φ = 1280702240.

The previous prime is 2625442931. The next prime is 2625442961. The reversal of 2625442954 is 4592445262.

It can be written as a sum of positive squares in 3 ways, for example, as 704637025 + 1920805929 = 26545^2 + 43827^2 .

It is a super-2 number, since 2×2625442954² = 13785901409416492232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2625442954.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 387097 + ... + 393820.

Almost surely, 2^2625442954 is an apocalyptic number.

2625442954 is a deficient number, since it is larger than the sum of its proper divisors (1411122188).

2625442954 is an equidigital number, since it uses as much as digits as its factorization.

2625442954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781001 (or 780960 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The square root of 2625442954 is about 51239.0764358609. The cubic root of 2625442954 is about 1379.5396759853.

The spelling of 2625442954 in words is "two billion, six hundred twenty-five million, four hundred forty-two thousand, nine hundred fifty-four".