2551190692 has 6 divisors (see below), whose sum is σ = 4464583718. Its totient is φ = 1275595344.

The previous prime is 2551190647. The next prime is 2551190693. The reversal of 2551190692 is 2960911552.

It can be written as a sum of positive squares in only one way, i.e., 1373740096 + 1177450596 = 37064^2 + 34314^2 .

It is not an unprimeable number, because it can be changed into a prime (2551190693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318898833 + ... + 318898840.

Almost surely, 2^2551190692 is an apocalyptic number.

It is an amenable number.

2551190692 is a deficient number, since it is larger than the sum of its proper divisors (1913393026).

2551190692 is a wasteful number, since it uses less digits than its factorization.

2551190692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637797677 (or 637797675 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 2551190692 is about 50509.3129234600. The cubic root of 2551190692 is about 1366.4098181073.

The spelling of 2551190692 in words is "two billion, five hundred fifty-one million, one hundred ninety thousand, six hundred ninety-two".