249247853294 has 96 divisors (see below), whose sum is σ = 426671013888. Its totient is φ = 109046044800.

The previous prime is 249247853291. The next prime is 249247853299. The reversal of 249247853294 is 492358742942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249247853291) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 281000519 + ... + 281001405.

It is an arithmetic number, because the mean of its divisors is an integer number (4444489728).

Almost surely, 2^249247853294 is an apocalyptic number.

249247853294 is a deficient number, since it is larger than the sum of its proper divisors (177423160594).

249247853294 is a wasteful number, since it uses less digits than its factorization.

249247853294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302 (or 1291 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 59.

The spelling of 249247853294 in words is "two hundred forty-nine billion, two hundred forty-seven million, eight hundred fifty-three thousand, two hundred ninety-four".