67893290091 has 18 divisors (see below), whose sum is σ = 107793847980. Its totient is φ = 41147447880.

The previous prime is 67893290053. The next prime is 67893290111. The reversal of 67893290091 is 19009239876.

It is not a de Polignac number, because 67893290091 - 2⁹ = 67893289579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67893290041) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31171221 + ... + 31173398.

It is an arithmetic number, because the mean of its divisors is an integer number (5988547110).

Almost surely, 2^67893290091 is an apocalyptic number.

67893290091 is a deficient number, since it is larger than the sum of its proper divisors (39900557889).

67893290091 is a wasteful number, since it uses less digits than its factorization.

67893290091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62344647 (or 62344633 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 67893290091 in words is "sixty-seven billion, eight hundred ninety-three million, two hundred ninety thousand, ninety-one".