151933489491 has 12 divisors (see below), whose sum is σ = 235651943112. Its totient is φ = 86819136768.

The previous prime is 151933489483. The next prime is 151933489511. The reversal of 151933489491 is 194984339151.

It is not a de Polignac number, because 151933489491 - 2³ = 151933489483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151933489091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 516780430 + ... + 516780723.

It is an arithmetic number, because the mean of its divisors is an integer number (19637661926).

Almost surely, 2^151933489491 is an apocalyptic number.

151933489491 is a deficient number, since it is larger than the sum of its proper divisors (83718453621).

151933489491 is a wasteful number, since it uses less digits than its factorization.

151933489491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033561170 (or 1033561163 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 57.

The spelling of 151933489491 in words is "one hundred fifty-one billion, nine hundred thirty-three million, four hundred eighty-nine thousand, four hundred ninety-one".