38649273337 has 4 divisors (see below), whose sum is σ = 38756931840. Its totient is φ = 38541614836.

The previous prime is 38649273329. The next prime is 38649273367. The reversal of 38649273337 is 73337294683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38649273337 - 2³ = 38649273329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38649273307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53828713 + ... + 53829430.

It is an arithmetic number, because the mean of its divisors is an integer number (9689232960).

Almost surely, 2^38649273337 is an apocalyptic number.

It is an amenable number.

38649273337 is a deficient number, since it is larger than the sum of its proper divisors (107658503).

38649273337 is a wasteful number, since it uses less digits than its factorization.

38649273337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107658502.

The product of its digits is 13716864, while the sum is 55.

The spelling of 38649273337 in words is "thirty-eight billion, six hundred forty-nine million, two hundred seventy-three thousand, three hundred thirty-seven".