2253638914893 has 20 divisors (see below), whose sum is σ = 3380995748988. Its totient is φ = 1495977750720.

The previous prime is 2253638914867. The next prime is 2253638914921. The reversal of 2253638914893 is 3984198363522.

2253638914893 is a `hidden beast` number, since 2 + 2 + 5 + 3 + 63 + 8 + 91 + 489 + 3 = 666.

2253638914893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1420833008169 + 832805906724 = 1191987^2 + 912582^2 .

It is not a de Polignac number, because 2253638914893 - 2⁶ = 2253638914829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2253638914893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2253638914853) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59686498 + ... + 59724243.

Almost surely, 2^{2253638914893} is an apocalyptic number.

It is an amenable number.

2253638914893 is a deficient number, since it is larger than the sum of its proper divisors (1127356834095).

2253638914893 is a wasteful number, since it uses less digits than its factorization.

2253638914893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119410986 (or 119410977 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 63.

The spelling of 2253638914893 in words is "two trillion, two hundred fifty-three billion, six hundred thirty-eight million, nine hundred fourteen thousand, eight hundred ninety-three".