38616818371 has 2 divisors, whose sum is σ = 38616818372. Its totient is φ = 38616818370.

The previous prime is 38616818291. The next prime is 38616818377. The reversal of 38616818371 is 17381861683.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38616818371 - 2⁷ = 38616818243 is a prime.

It is a super-2 number, since 2×38616818371² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38616818377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19308409185 + 19308409186.

It is an arithmetic number, because the mean of its divisors is an integer number (19308409186).

Almost surely, 2^38616818371 is an apocalyptic number.

38616818371 is a deficient number, since it is larger than the sum of its proper divisors (1).

38616818371 is an equidigital number, since it uses as much as digits as its factorization.

38616818371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 52.

The spelling of 38616818371 in words is "thirty-eight billion, six hundred sixteen million, eight hundred eighteen thousand, three hundred seventy-one".