253953448153 has 4 divisors (see below), whose sum is σ = 253957247908. Its totient is φ = 253949648400.

The previous prime is 253953448127. The next prime is 253953448171. The reversal of 253953448153 is 351844359352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16592531344 + 237360916809 = 128812^2 + 487197^2 .

It is a cyclic number.

It is not a de Polignac number, because 253953448153 - 2⁵ = 253953448121 is a prime.

It is a super-2 number, since 2×253953448153² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253953448153.

It is not an unprimeable number, because it can be changed into a prime (253953442153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1797798 + ... + 1933903.

It is an arithmetic number, because the mean of its divisors is an integer number (63489311977).

Almost surely, 2^253953448153 is an apocalyptic number.

It is an amenable number.

253953448153 is a deficient number, since it is larger than the sum of its proper divisors (3799755).

253953448153 is an equidigital number, since it uses as much as digits as its factorization.

253953448153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799754.

The product of its digits is 7776000, while the sum is 52.

The spelling of 253953448153 in words is "two hundred fifty-three billion, nine hundred fifty-three million, four hundred forty-eight thousand, one hundred fifty-three".