253532128698 has 24 divisors (see below), whose sum is σ = 553644968448. Its totient is φ = 83845270152.

The previous prime is 253532128687. The next prime is 253532128699. The reversal of 253532128698 is 896821235352.

It is a happy number.

253532128698 is a `hidden beast` number, since 2 + 5 + 3 + 532 + 12 + 8 + 6 + 98 = 666.

It is not an unprimeable number, because it can be changed into a prime (253532128699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55450936 + ... + 55455507.

It is an arithmetic number, because the mean of its divisors is an integer number (23068540352).

Almost surely, 2^253532128698 is an apocalyptic number.

253532128698 is an abundant number, since it is smaller than the sum of its proper divisors (300112839750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253532128698 is a wasteful number, since it uses less digits than its factorization.

253532128698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110906578 (or 110906575 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 253532128698 in words is "two hundred fifty-three billion, five hundred thirty-two million, one hundred twenty-eight thousand, six hundred ninety-eight".