38349141891 has 16 divisors (see below), whose sum is σ = 53829392640. Its totient is φ = 24217794720.

The previous prime is 38349141863. The next prime is 38349141893. The reversal of 38349141891 is 19814194383.

It is not a de Polignac number, because 38349141891 - 2⁶ = 38349141827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38349141893) 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, 556426 + ... + 621536.

It is an arithmetic number, because the mean of its divisors is an integer number (3364337040).

Almost surely, 2^38349141891 is an apocalyptic number.

38349141891 is a deficient number, since it is larger than the sum of its proper divisors (15480250749).

38349141891 is a wasteful number, since it uses less digits than its factorization.

38349141891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75466.

The product of its digits is 746496, while the sum is 51.

The spelling of 38349141891 in words is "thirty-eight billion, three hundred forty-nine million, one hundred forty-one thousand, eight hundred ninety-one".