249964287834 has 8 divisors (see below), whose sum is σ = 499928575680. Its totient is φ = 83321429276.

The previous prime is 249964287809. The next prime is 249964287877. The reversal of 249964287834 is 438782469942.

It is a happy number.

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

249964287834 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20830357314 + ... + 20830357325.

It is an arithmetic number, because the mean of its divisors is an integer number (62491071960).

Almost surely, 2^249964287834 is an apocalyptic number.

249964287834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249964287834 is a wasteful number, since it uses less digits than its factorization.

249964287834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41660714644.

The product of its digits is 167215104, while the sum is 66.

The spelling of 249964287834 in words is "two hundred forty-nine billion, nine hundred sixty-four million, two hundred eighty-seven thousand, eight hundred thirty-four".