253427857922 has 6 divisors (see below), whose sum is σ = 380142854793. Its totient is φ = 126713572992.

The previous prime is 253427857883. The next prime is 253427857997. The reversal of 253427857922 is 229758724352.

It can be written as a sum of positive squares in 2 ways, for example, as 250009000081 + 3418857841 = 500009^2 + 58471^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=355969.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 533954 + ... + 889922.

Almost surely, 2^253427857922 is an apocalyptic number.

253427857922 is a deficient number, since it is larger than the sum of its proper divisors (126714996871).

253427857922 is an frugal number, since it uses more digits than its factorization.

253427857922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711940 (or 355971 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 56.

The spelling of 253427857922 in words is "two hundred fifty-three billion, four hundred twenty-seven million, eight hundred fifty-seven thousand, nine hundred twenty-two".