38550311197 has 4 divisors (see below), whose sum is σ = 38572870140. Its totient is φ = 38527752256.

The previous prime is 38550311179. The next prime is 38550311203. The reversal of 38550311197 is 79111305583.

38550311197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5054356836 + 33495954361 = 71094^2 + 183019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38550311197 is a prime.

It is a super-2 number, since 2×38550311197² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38550315197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11276908 + ... + 11280325.

It is an arithmetic number, because the mean of its divisors is an integer number (9643217535).

Almost surely, 2^38550311197 is an apocalyptic number.

It is an amenable number.

38550311197 is a deficient number, since it is larger than the sum of its proper divisors (22558943).

38550311197 is a wasteful number, since it uses less digits than its factorization.

38550311197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22558942.

The product of its (nonzero) digits is 113400, while the sum is 43.

The spelling of 38550311197 in words is "thirty-eight billion, five hundred fifty million, three hundred eleven thousand, one hundred ninety-seven".