38405021159 has 2 divisors, whose sum is σ = 38405021160. Its totient is φ = 38405021158.

The previous prime is 38405021143. The next prime is 38405021191. The reversal of 38405021159 is 95112050483.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38405021159 - 2⁴ = 38405021143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38405021129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19202510579 + 19202510580.

It is an arithmetic number, because the mean of its divisors is an integer number (19202510580).

Almost surely, 2^38405021159 is an apocalyptic number.

38405021159 is a deficient number, since it is larger than the sum of its proper divisors (1).

38405021159 is an equidigital number, since it uses as much as digits as its factorization.

38405021159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 38405021159 in words is "thirty-eight billion, four hundred five million, twenty-one thousand, one hundred fifty-nine".