38936581494 has 12 divisors (see below), whose sum is σ = 77874129684. Its totient is φ = 12978699384.

The previous prime is 38936581451. The next prime is 38936581501. The reversal of 38936581494 is 49418563983.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 443064 + ... + 523620.

It is an arithmetic number, because the mean of its divisors is an integer number (6489510807).

Almost surely, 2^38936581494 is an apocalyptic number.

38936581494 is an abundant number, since it is smaller than the sum of its proper divisors (38937548190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38936581494 is an frugal number, since it uses more digits than its factorization.

38936581494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161119 (or 80562 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 60.

The spelling of 38936581494 in words is "thirty-eight billion, nine hundred thirty-six million, five hundred eighty-one thousand, four hundred ninety-four".