67357793338 has 12 divisors (see below), whose sum is σ = 111056858010. Its totient is φ = 30617178680.

The previous prime is 67357793311. The next prime is 67357793359. The reversal of 67357793338 is 83339775376.

It can be written as a sum of positive squares in only one way, i.e., 56490356329 + 10867437009 = 237677^2 + 104247^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139168753 + ... + 139169236.

Almost surely, 2^67357793338 is an apocalyptic number.

67357793338 is a deficient number, since it is larger than the sum of its proper divisors (43699064672).

67357793338 is a wasteful number, since it uses less digits than its factorization.

67357793338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278338013 (or 278338002 counting only the distinct ones).

The product of its digits is 60011280, while the sum is 61.

The spelling of 67357793338 in words is "sixty-seven billion, three hundred fifty-seven million, seven hundred ninety-three thousand, three hundred thirty-eight".