249096988343 has 24 divisors (see below), whose sum is σ = 304745398272. Its totient is φ = 202620371184.

The previous prime is 249096988267. The next prime is 249096988397. The reversal of 249096988343 is 343889690942.

It is not a de Polignac number, because 249096988343 - 2²⁰ = 249095939767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 249096988343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249096988043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 727055 + ... + 1013312.

It is an arithmetic number, because the mean of its divisors is an integer number (12697724928).

Almost surely, 2^249096988343 is an apocalyptic number.

249096988343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

249096988343 is a deficient number, since it is larger than the sum of its proper divisors (55648409929).

249096988343 is a wasteful number, since it uses less digits than its factorization.

249096988343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740531 (or 1740524 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 65.

The spelling of 249096988343 in words is "two hundred forty-nine billion, ninety-six million, nine hundred eighty-eight thousand, three hundred forty-three".