289474895948 has 48 divisors (see below), whose sum is σ = 580116848640. Its totient is φ = 123810814656.

The previous prime is 289474895881. The next prime is 289474895977. The reversal of 289474895948 is 849598474982.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43810061 + ... + 43816667.

It is an arithmetic number, because the mean of its divisors is an integer number (12085767680).

Almost surely, 2^289474895948 is an apocalyptic number.

289474895948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

289474895948 is an abundant number, since it is smaller than the sum of its proper divisors (290641952692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289474895948 is a wasteful number, since it uses less digits than its factorization.

289474895948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9534 (or 9532 counting only the distinct ones).

The product of its digits is 1672151040, while the sum is 77.

The spelling of 289474895948 in words is "two hundred eighty-nine billion, four hundred seventy-four million, eight hundred ninety-five thousand, nine hundred forty-eight".