253517614842 has 8 divisors (see below), whose sum is σ = 507035229696. Its totient is φ = 84505871612.

The previous prime is 253517614771. The next prime is 253517614871. The reversal of 253517614842 is 248416715352.

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

253517614842 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 253517614791 and 253517614800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21126467898 + ... + 21126467909.

It is an arithmetic number, because the mean of its divisors is an integer number (63379403712).

Almost surely, 2^253517614842 is an apocalyptic number.

253517614842 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.

253517614842 is a wasteful number, since it uses less digits than its factorization.

253517614842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42252935812.

The product of its digits is 1612800, while the sum is 48.

The spelling of 253517614842 in words is "two hundred fifty-three billion, five hundred seventeen million, six hundred fourteen thousand, eight hundred forty-two".