38942774737 has 16 divisors (see below), whose sum is σ = 42817057920. Its totient is φ = 35254137600.

The previous prime is 38942774687. The next prime is 38942774777. The reversal of 38942774737 is 73747724983.

It is a cyclic number.

It is not a de Polignac number, because 38942774737 - 2⁷ = 38942774609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38942774777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402537 + ... + 489817.

It is an arithmetic number, because the mean of its divisors is an integer number (2676066120).

Almost surely, 2^38942774737 is an apocalyptic number.

It is an amenable number.

38942774737 is a deficient number, since it is larger than the sum of its proper divisors (3874283183).

38942774737 is a wasteful number, since it uses less digits than its factorization.

38942774737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88344.

The product of its digits is 49787136, while the sum is 61.

The spelling of 38942774737 in words is "thirty-eight billion, nine hundred forty-two million, seven hundred seventy-four thousand, seven hundred thirty-seven".