253353551013 has 6 divisors (see below), whose sum is σ = 365955129254. Its totient is φ = 168902367336.

The previous prime is 253353550993. The next prime is 253353551029. The reversal of 253353551013 is 310155353352.

253353551013 is a `hidden beast` number, since 2 + 53 + 3 + 53 + 551 + 0 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 159706534689 + 93647016324 = 399633^2 + 306018^2 .

It is not a de Polignac number, because 253353551013 - 2⁵ = 253353550981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253353551713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14075197270 + ... + 14075197287.

Almost surely, 2^253353551013 is an apocalyptic number.

It is an amenable number.

253353551013 is a deficient number, since it is larger than the sum of its proper divisors (112601578241).

253353551013 is a wasteful number, since it uses less digits than its factorization.

253353551013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28150394563 (or 28150394560 counting only the distinct ones).

The product of its (nonzero) digits is 101250, while the sum is 36.

The spelling of 253353551013 in words is "two hundred fifty-three billion, three hundred fifty-three million, five hundred fifty-one thousand, thirteen".