249797002874 has 16 divisors (see below), whose sum is σ = 380861624040. Its totient is φ = 122843381760.

The previous prime is 249797002859. The next prime is 249797003023. The reversal of 249797002874 is 478200797942.

It can be written as a sum of positive squares in 4 ways, for example, as 240008868649 + 9788134225 = 489907^2 + 98935^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2265242 + ... + 2372954.

Almost surely, 2^249797002874 is an apocalyptic number.

249797002874 is a deficient number, since it is larger than the sum of its proper divisors (131064621166).

249797002874 is a wasteful number, since it uses less digits than its factorization.

249797002874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126785.

The product of its (nonzero) digits is 14224896, while the sum is 59.

The spelling of 249797002874 in words is "two hundred forty-nine billion, seven hundred ninety-seven million, two thousand, eight hundred seventy-four".