2499297902 has 4 divisors (see below), whose sum is σ = 3748946856. Its totient is φ = 1249648950.

The previous prime is 2499297883. The next prime is 2499297929. The reversal of 2499297902 is 2097929942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2097929942 = 2 ⋅1048964971.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624824474 + ... + 624824477.

It is an arithmetic number, because the mean of its divisors is an integer number (937236714).

Almost surely, 2^2499297902 is an apocalyptic number.

2499297902 is a deficient number, since it is larger than the sum of its proper divisors (1249648954).

2499297902 is a wasteful number, since it uses less digits than its factorization.

2499297902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249648953.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 2499297902 is about 49992.9785269892. The cubic root of 2499297902 is about 1357.0817439232.

The spelling of 2499297902 in words is "two billion, four hundred ninety-nine million, two hundred ninety-seven thousand, nine hundred two".