253830811028 has 6 divisors (see below), whose sum is σ = 444203919306. Its totient is φ = 126915405512.

The previous prime is 253830811001. The next prime is 253830811051. The reversal of 253830811028 is 820118038352.

It can be written as a sum of positive squares in only one way, i.e., 214380112144 + 39450698884 = 463012^2 + 198622^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31728851375 + ... + 31728851382.

It is an arithmetic number, because the mean of its divisors is an integer number (74033986551).

Almost surely, 2^253830811028 is an apocalyptic number.

It is an amenable number.

253830811028 is a deficient number, since it is larger than the sum of its proper divisors (190373108278).

253830811028 is a wasteful number, since it uses less digits than its factorization.

253830811028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63457702761 (or 63457702759 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 253830811028 in words is "two hundred fifty-three billion, eight hundred thirty million, eight hundred eleven thousand, twenty-eight".