6242645764 has 12 divisors (see below), whose sum is σ = 10985662800. Its totient is φ = 3103884968.

The previous prime is 6242645723. The next prime is 6242645779. The reversal of 6242645764 is 4675462426.

It is a super-2 number, since 2×6242645764² = 77941252269574287392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4358674 + ... + 4360105.

It is an arithmetic number, because the mean of its divisors is an integer number (915471900).

Almost surely, 2^6242645764 is an apocalyptic number.

It is an amenable number.

6242645764 is a deficient number, since it is larger than the sum of its proper divisors (4743017036).

6242645764 is a wasteful number, since it uses less digits than its factorization.

6242645764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8718962 (or 8718960 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 46.

The square root of 6242645764 is about 79010.4155412437. The cubic root of 6242645764 is about 1841.2929794350.

The spelling of 6242645764 in words is "six billion, two hundred forty-two million, six hundred forty-five thousand, seven hundred sixty-four".