253555100089 has 2 divisors, whose sum is σ = 253555100090. Its totient is φ = 253555100088.

The previous prime is 253555100033. The next prime is 253555100143. The reversal of 253555100089 is 980001555352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200524840000 + 53030260089 = 447800^2 + 230283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253555100089 is a prime.

It is a super-2 number, since 2×253555100089² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (253555107089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126777550044 + 126777550045.

It is an arithmetic number, because the mean of its divisors is an integer number (126777550045).

Almost surely, 2^253555100089 is an apocalyptic number.

It is an amenable number.

253555100089 is a deficient number, since it is larger than the sum of its proper divisors (1).

253555100089 is an equidigital number, since it uses as much as digits as its factorization.

253555100089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270000, while the sum is 43.

The spelling of 253555100089 in words is "two hundred fifty-three billion, five hundred fifty-five million, one hundred thousand, eighty-nine".