2500961290 has 32 divisors (see below), whose sum is σ = 4811120064. Its totient is φ = 932732160.

The previous prime is 2500961249. The next prime is 2500961371. The reversal of 2500961290 is 921690052.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50556 + ... + 86935.

It is an arithmetic number, because the mean of its divisors is an integer number (150347502).

Almost surely, 2^2500961290 is an apocalyptic number.

2500961290 is a deficient number, since it is larger than the sum of its proper divisors (2310158774).

2500961290 is a wasteful number, since it uses less digits than its factorization.

2500961290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137622.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 2500961290 is about 50009.6119760992. The cubic root of 2500961290 is about 1357.3827421733.

The spelling of 2500961290 in words is "two billion, five hundred million, nine hundred sixty-one thousand, two hundred ninety".