249714949 has 4 divisors (see below), whose sum is σ = 272416320. Its totient is φ = 227013580.

The previous prime is 249714943. The next prime is 249714953. The reversal of 249714949 is 949417942.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 249714949 - 2⁵ = 249714917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249714943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11350669 + ... + 11350690.

It is an arithmetic number, because the mean of its divisors is an integer number (68104080).

Almost surely, 2^249714949 is an apocalyptic number.

It is an amenable number.

249714949 is a deficient number, since it is larger than the sum of its proper divisors (22701371).

249714949 is a wasteful number, since it uses less digits than its factorization.

249714949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22701370.

The product of its digits is 653184, while the sum is 49.

The square root of 249714949 is about 15802.3716258035. The cubic root of 249714949 is about 629.7210060541.

The spelling of 249714949 in words is "two hundred forty-nine million, seven hundred fourteen thousand, nine hundred forty-nine".