249594732798 has 16 divisors (see below), whose sum is σ = 500206150656. Its totient is φ = 83028796760.

The previous prime is 249594732797. The next prime is 249594732809. The reversal of 249594732798 is 897237495942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249594732797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42358686 + ... + 42364577.

It is an arithmetic number, because the mean of its divisors is an integer number (31262884416).

Almost surely, 2^249594732798 is an apocalyptic number.

249594732798 is an abundant number, since it is smaller than the sum of its proper divisors (250611417858).

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

249594732798 is a wasteful number, since it uses less digits than its factorization.

249594732798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84723759.

The product of its digits is 274337280, while the sum is 69.

The spelling of 249594732798 in words is "two hundred forty-nine billion, five hundred ninety-four million, seven hundred thirty-two thousand, seven hundred ninety-eight".