2549472724 has 6 divisors (see below), whose sum is σ = 4461577274. Its totient is φ = 1274736360.

The previous prime is 2549472703. The next prime is 2549472749. The reversal of 2549472724 is 4272749452.

It can be written as a sum of positive squares in only one way, i.e., 2548432324 + 1040400 = 50482^2 + 1020^2 .

It is a super-2 number, since 2×2549472724² = 12999622340839960352, which contains 22 as substring.

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, 318684087 + ... + 318684094.

Almost surely, 2^2549472724 is an apocalyptic number.

It is an amenable number.

2549472724 is a deficient number, since it is larger than the sum of its proper divisors (1912104550).

2549472724 is a wasteful number, since it uses less digits than its factorization.

2549472724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637368185 (or 637368183 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 46.

The square root of 2549472724 is about 50492.3036115406. The cubic root of 2549472724 is about 1366.1030364582.

The spelling of 2549472724 in words is "two billion, five hundred forty-nine million, four hundred seventy-two thousand, seven hundred twenty-four".