253855623068 has 6 divisors (see below), whose sum is σ = 444247340376. Its totient is φ = 126927811532.

The previous prime is 253855623067. The next prime is 253855623071. The reversal of 253855623068 is 860326558352.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253855623067) by changing a digit.

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 as a sum of consecutive naturals, namely, 31731952880 + ... + 31731952887.

It is an arithmetic number, because the mean of its divisors is an integer number (74041223396).

Almost surely, 2^253855623068 is an apocalyptic number.

It is an amenable number.

253855623068 is a deficient number, since it is larger than the sum of its proper divisors (190391717308).

253855623068 is a wasteful number, since it uses less digits than its factorization.

253855623068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63463905771 (or 63463905769 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 53.

The spelling of 253855623068 in words is "two hundred fifty-three billion, eight hundred fifty-five million, six hundred twenty-three thousand, sixty-eight".