249426199 has 4 divisors (see below), whose sum is σ = 272101320. Its totient is φ = 226751080.

The previous prime is 249426197. The next prime is 249426209. The reversal of 249426199 is 991624942.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 249426199 - 2¹ = 249426197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249426197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11337544 + ... + 11337565.

It is an arithmetic number, because the mean of its divisors is an integer number (68025330).

Almost surely, 2^249426199 is an apocalyptic number.

249426199 is a deficient number, since it is larger than the sum of its proper divisors (22675121).

249426199 is a wasteful number, since it uses less digits than its factorization.

249426199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22675120.

The product of its digits is 279936, while the sum is 46.

The square root of 249426199 is about 15793.2326963165. The cubic root of 249426199 is about 629.4781931034.

The spelling of 249426199 in words is "two hundred forty-nine million, four hundred twenty-six thousand, one hundred ninety-nine".