253942673318 has 16 divisors (see below), whose sum is σ = 386629257840. Its totient is φ = 125066547936.

The previous prime is 253942673317. The next prime is 253942673339. The reversal of 253942673318 is 813376249352.

253942673318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 253942673318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253942673311) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1848968 + ... + 1981556.

It is an arithmetic number, because the mean of its divisors is an integer number (24164328615).

Almost surely, 2^253942673318 is an apocalyptic number.

253942673318 is a deficient number, since it is larger than the sum of its proper divisors (132686584522).

253942673318 is a wasteful number, since it uses less digits than its factorization.

253942673318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146951.

The product of its digits is 6531840, while the sum is 53.

The spelling of 253942673318 in words is "two hundred fifty-three billion, nine hundred forty-two million, six hundred seventy-three thousand, three hundred eighteen".