253797311089 has 27 divisors (see below), whose sum is σ = 299346637401. Its totient is φ = 214551104040.

The previous prime is 253797311059. The next prime is 253797311113. The reversal of 253797311089 is 980113797352.

The square root of 253797311089 is 503783.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 253797311089 - 2¹³ = 253797302897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253797311059) 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 in 26 ways as a sum of consecutive naturals, for example, 278591544 + ... + 278592454.

Almost surely, 2^253797311089 is an apocalyptic number.

253797311089 is the 503783-rd square number.

253797311089 is the 251892-nd centered octagonal number.

It is an amenable number.

253797311089 is a deficient number, since it is larger than the sum of its proper divisors (45549326312).

253797311089 is an frugal number, since it uses more digits than its factorization.

253797311089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 55.

The spelling of 253797311089 in words is "two hundred fifty-three billion, seven hundred ninety-seven million, three hundred eleven thousand, eighty-nine".