249442269 has 8 divisors (see below), whose sum is σ = 340324512. Its totient is φ = 162427440.

The previous prime is 249442267. The next prime is 249442289. The reversal of 249442269 is 962244942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 249442269 - 2¹ = 249442267 is a prime.

It is a super-2 number, since 2×249442269² = 124442891127736722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 249442269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249442267) 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, 966702 + ... + 966959.

It is an arithmetic number, because the mean of its divisors is an integer number (42540564).

Almost surely, 2^249442269 is an apocalyptic number.

It is an amenable number.

249442269 is a deficient number, since it is larger than the sum of its proper divisors (90882243).

249442269 is a wasteful number, since it uses less digits than its factorization.

249442269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933707.

The product of its digits is 248832, while the sum is 42.

The square root of 249442269 is about 15793.7414503341. The cubic root of 249442269 is about 629.4917114606.

The spelling of 249442269 in words is "two hundred forty-nine million, four hundred forty-two thousand, two hundred sixty-nine".