6251338372 has 6 divisors (see below), whose sum is σ = 10939842158. Its totient is φ = 3125669184.

The previous prime is 6251338279. The next prime is 6251338403. The reversal of 6251338372 is 2738331526.

It can be written as a sum of positive squares in only one way, i.e., 6193060416 + 58277956 = 78696^2 + 7634^2 .

It is a super-2 number, since 2×6251338372² = 78158462882479220768, which contains 22 as substring.

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, 781417293 + ... + 781417300.

Almost surely, 2^6251338372 is an apocalyptic number.

It is an amenable number.

6251338372 is a deficient number, since it is larger than the sum of its proper divisors (4688503786).

6251338372 is a wasteful number, since it uses less digits than its factorization.

6251338372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562834597 (or 1562834595 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 6251338372 is about 79065.4056588594. The cubic root of 6251338372 is about 1842.1472227256.

Adding to 6251338372 its reverse (2738331526), we get a palindrome (8989669898).

The spelling of 6251338372 in words is "six billion, two hundred fifty-one million, three hundred thirty-eight thousand, three hundred seventy-two".