38506840459 has 2 divisors, whose sum is σ = 38506840460. Its totient is φ = 38506840458.

The previous prime is 38506840453. The next prime is 38506840499. The reversal of 38506840459 is 95404860583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38506840459 - 2⁷ = 38506840331 is a prime.

It is not a weakly prime, because it can be changed into another prime (38506840453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19253420229 + 19253420230.

It is an arithmetic number, because the mean of its divisors is an integer number (19253420230).

Almost surely, 2^38506840459 is an apocalyptic number.

38506840459 is a deficient number, since it is larger than the sum of its proper divisors (1).

38506840459 is an equidigital number, since it uses as much as digits as its factorization.

38506840459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 38506840459 in words is "thirty-eight billion, five hundred six million, eight hundred forty thousand, four hundred fifty-nine".