253358105863 has 4 divisors (see below), whose sum is σ = 253369775728. Its totient is φ = 253346436000.

The previous prime is 253358105851. The next prime is 253358105867. The reversal of 253358105863 is 368501853352.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253358105863 is a prime.

It is a super-2 number, since 2×253358105863² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253358105867) 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, 5802306 + ... + 5845807.

It is an arithmetic number, because the mean of its divisors is an integer number (63342443932).

Almost surely, 2^253358105863 is an apocalyptic number.

253358105863 is a deficient number, since it is larger than the sum of its proper divisors (11669865).

253358105863 is a wasteful number, since it uses less digits than its factorization.

253358105863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11669864.

The product of its (nonzero) digits is 2592000, while the sum is 49.

The spelling of 253358105863 in words is "two hundred fifty-three billion, three hundred fifty-eight million, one hundred five thousand, eight hundred sixty-three".