2499764402 has 4 divisors (see below), whose sum is σ = 3749646606. Its totient is φ = 1249882200.

The previous prime is 2499764357. The next prime is 2499764413. The reversal of 2499764402 is 2044679942.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1579188121 + 920576281 = 39739^2 + 30341^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624941099 + ... + 624941102.

Almost surely, 2^2499764402 is an apocalyptic number.

2499764402 is a deficient number, since it is larger than the sum of its proper divisors (1249882204).

2499764402 is a wasteful number, since it uses less digits than its factorization.

2499764402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249882203.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 2499764402 is about 49997.6439644910. The cubic root of 2499764402 is about 1357.1661728673.

The spelling of 2499764402 in words is "two billion, four hundred ninety-nine million, seven hundred sixty-four thousand, four hundred two".