249853358942 has 8 divisors (see below), whose sum is σ = 408850951032. Its totient is φ = 113569708600.

The previous prime is 249853358929. The next prime is 249853358957.

249853358942 is nontrivially palindromic in base 10.

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

It is a congruent 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, 5678485409 + ... + 5678485452.

It is an arithmetic number, because the mean of its divisors is an integer number (51106368879).

Almost surely, 2^249853358942 is an apocalyptic number.

249853358942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

249853358942 is a deficient number, since it is larger than the sum of its proper divisors (158997592090).

249853358942 is a wasteful number, since it uses less digits than its factorization.

249853358942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11356970874.

The product of its digits is 74649600, while the sum is 62.

The spelling of 249853358942 in words is "two hundred forty-nine billion, eight hundred fifty-three million, three hundred fifty-eight thousand, nine hundred forty-two".