249329884231 has 4 divisors (see below), whose sum is σ = 249337279264. Its totient is φ = 249322489200.

The previous prime is 249329884213. The next prime is 249329884261. The reversal of 249329884231 is 132488923942.

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 249329884231 - 2⁷ = 249329884103 is a prime.

It is a super-2 number, since 2×249329884231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249329884201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3646710 + ... + 3714451.

It is an arithmetic number, because the mean of its divisors is an integer number (62334319816).

Almost surely, 2^249329884231 is an apocalyptic number.

249329884231 is a deficient number, since it is larger than the sum of its proper divisors (7395033).

249329884231 is an equidigital number, since it uses as much as digits as its factorization.

249329884231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7395032.

The product of its digits is 5971968, while the sum is 55.

The spelling of 249329884231 in words is "two hundred forty-nine billion, three hundred twenty-nine million, eight hundred eighty-four thousand, two hundred thirty-one".