38734387929 has 48 divisors (see below), whose sum is σ = 59977532160. Its totient is φ = 24028730880.

The previous prime is 38734387927. The next prime is 38734387933. The reversal of 38734387929 is 92978343783.

It is not a de Polignac number, because 38734387929 - 2¹ = 38734387927 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38734387927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3040477 + ... + 3053189.

It is an arithmetic number, because the mean of its divisors is an integer number (1249531920).

Almost surely, 2^38734387929 is an apocalyptic number.

It is an amenable number.

38734387929 is a deficient number, since it is larger than the sum of its proper divisors (21243144231).

38734387929 is a wasteful number, since it uses less digits than its factorization.

38734387929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13142 (or 13139 counting only the distinct ones).

The product of its digits is 54867456, while the sum is 63.

The spelling of 38734387929 in words is "thirty-eight billion, seven hundred thirty-four million, three hundred eighty-seven thousand, nine hundred twenty-nine".