38020416817 has 2 divisors, whose sum is σ = 38020416818. Its totient is φ = 38020416816.

The previous prime is 38020416803. The next prime is 38020416851. The reversal of 38020416817 is 71861402083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23514382336 + 14506034481 = 153344^2 + 120441^2 .

It is a cyclic number.

It is not a de Polignac number, because 38020416817 - 2¹⁵ = 38020384049 is a prime.

It is a super-2 number, since 2×38020416817² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38020416817.

It is not a weakly prime, because it can be changed into another prime (38020416857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19010208408 + 19010208409.

It is an arithmetic number, because the mean of its divisors is an integer number (19010208409).

Almost surely, 2^38020416817 is an apocalyptic number.

It is an amenable number.

38020416817 is a deficient number, since it is larger than the sum of its proper divisors (1).

38020416817 is an equidigital number, since it uses as much as digits as its factorization.

38020416817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 38020416817 in words is "thirty-eight billion, twenty million, four hundred sixteen thousand, eight hundred seventeen".