2500623464 has 8 divisors (see below), whose sum is σ = 4688669010. Its totient is φ = 1250311728.

The previous prime is 2500623413. The next prime is 2500623467. The reversal of 2500623464 is 4643260052.

It can be written as a sum of positive squares in only one way, i.e., 2093794564 + 406828900 = 45758^2 + 20170^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2500623464.

It is not an unprimeable number, because it can be changed into a prime (2500623467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156288959 + ... + 156288974.

Almost surely, 2^2500623464 is an apocalyptic number.

It is an amenable number.

2500623464 is a deficient number, since it is larger than the sum of its proper divisors (2188045546).

2500623464 is a wasteful number, since it uses less digits than its factorization.

2500623464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312577939 (or 312577935 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 2500623464 is about 50006.2342513411. The cubic root of 2500623464 is about 1357.3216216976.

The spelling of 2500623464 in words is "two billion, five hundred million, six hundred twenty-three thousand, four hundred sixty-four".