38034346891 has 16 divisors (see below), whose sum is σ = 40799341440. Its totient is φ = 35328384000.

The previous prime is 38034346871. The next prime is 38034346901. The reversal of 38034346891 is 19864343083.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38034346891 is a prime.

It is a super-2 number, since 2×38034346891² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38034346811) 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, 4025625 + ... + 4035061.

It is an arithmetic number, because the mean of its divisors is an integer number (2549958840).

Almost surely, 2^38034346891 is an apocalyptic number.

38034346891 is a deficient number, since it is larger than the sum of its proper divisors (2764994549).

38034346891 is a wasteful number, since it uses less digits than its factorization.

38034346891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12534.

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 38034346891 in words is "thirty-eight billion, thirty-four million, three hundred forty-six thousand, eight hundred ninety-one".