6637942324 has 48 divisors (see below), whose sum is σ = 13079283840. Its totient is φ = 2924760960.

The previous prime is 6637942321. The next prime is 6637942331. The reversal of 6637942324 is 4232497366.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6637942321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641907 + ... + 652165.

It is an arithmetic number, because the mean of its divisors is an integer number (272485080).

Almost surely, 2^6637942324 is an apocalyptic number.

It is an amenable number.

6637942324 is a deficient number, since it is larger than the sum of its proper divisors (6441341516).

6637942324 is a wasteful number, since it uses less digits than its factorization.

6637942324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10840 (or 10838 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 46.

The square root of 6637942324 is about 81473.5682537595. The cubic root of 6637942324 is about 1879.3651021200.

The spelling of 6637942324 in words is "six billion, six hundred thirty-seven million, nine hundred forty-two thousand, three hundred twenty-four".