39149542374 has 12 divisors (see below), whose sum is σ = 78300054084. Its totient is φ = 13049685904.

The previous prime is 39149542357. The next prime is 39149542387. The reversal of 39149542374 is 47324594193.

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, 444274 + ... + 525050.

It is an arithmetic number, because the mean of its divisors is an integer number (6525004507).

Almost surely, 2^39149542374 is an apocalyptic number.

39149542374 is an abundant number, since it is smaller than the sum of its proper divisors (39150511710).

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

39149542374 is an frugal number, since it uses more digits than its factorization.

39149542374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161559 (or 80782 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 51.

The spelling of 39149542374 in words is "thirty-nine billion, one hundred forty-nine million, five hundred forty-two thousand, three hundred seventy-four".