253489099881 has 8 divisors (see below), whose sum is σ = 338087682784. Its totient is φ = 168941625120.

The previous prime is 253489099873. The next prime is 253489099939. The reversal of 253489099881 is 188990984352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253489099881 - 2³ = 253489099873 is a prime.

It is a super-2 number, since 2×253489099881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253489099181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12765460 + ... + 12785301.

It is an arithmetic number, because the mean of its divisors is an integer number (42260960348).

Almost surely, 2^253489099881 is an apocalyptic number.

It is an amenable number.

253489099881 is a deficient number, since it is larger than the sum of its proper divisors (84598582903).

253489099881 is a wasteful number, since it uses less digits than its factorization.

253489099881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25554071.

The product of its (nonzero) digits is 44789760, while the sum is 66.

The spelling of 253489099881 in words is "two hundred fifty-three billion, four hundred eighty-nine million, ninety-nine thousand, eight hundred eighty-one".