249673254342 has 8 divisors (see below), whose sum is σ = 499346508696. Its totient is φ = 83224418112.

The previous prime is 249673254317. The next prime is 249673254359. The reversal of 249673254342 is 243452376942.

249673254342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

249673254342 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20806104523 + ... + 20806104534.

It is an arithmetic number, because the mean of its divisors is an integer number (62418313587).

Almost surely, 2^249673254342 is an apocalyptic number.

249673254342 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.

249673254342 is a wasteful number, since it uses less digits than its factorization.

249673254342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41612209062.

The product of its digits is 8709120, while the sum is 51.

The spelling of 249673254342 in words is "two hundred forty-nine billion, six hundred seventy-three million, two hundred fifty-four thousand, three hundred forty-two".