38720731498 has 4 divisors (see below), whose sum is σ = 58081097250. Its totient is φ = 19360365748.

The previous prime is 38720731477. The next prime is 38720731507. The reversal of 38720731498 is 89413702783.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30132446569 + 8588284929 = 173587^2 + 92673^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9680182873 + ... + 9680182876.

Almost surely, 2^38720731498 is an apocalyptic number.

38720731498 is a deficient number, since it is larger than the sum of its proper divisors (19360365752).

38720731498 is a wasteful number, since it uses less digits than its factorization.

38720731498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19360365751.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 38720731498 in words is "thirty-eight billion, seven hundred twenty million, seven hundred thirty-one thousand, four hundred ninety-eight".