2498657779304 has 8 divisors (see below), whose sum is σ = 4684983336210. Its totient is φ = 1249328889648.

The previous prime is 2498657779283. The next prime is 2498657779309. The reversal of 2498657779304 is 4039777568942.

It can be written as a sum of positive squares in only one way, i.e., 2498644104100 + 13675204 = 1580710^2 + 3698^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2498657779309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156166111199 + ... + 156166111214.

Almost surely, 2^{2498657779304} is an apocalyptic number.

It is an amenable number.

2498657779304 is a deficient number, since it is larger than the sum of its proper divisors (2186325556906).

2498657779304 is a wasteful number, since it uses less digits than its factorization.

2498657779304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312332222419 (or 312332222415 counting only the distinct ones).

The product of its (nonzero) digits is 640120320, while the sum is 71.

The spelling of 2498657779304 in words is "two trillion, four hundred ninety-eight billion, six hundred fifty-seven million, seven hundred seventy-nine thousand, three hundred four".