2253613266565 has 8 divisors (see below), whose sum is σ = 2705251730328. Its totient is φ = 1802280072960.

The previous prime is 2253613266563. The next prime is 2253613266587. The reversal of 2253613266565 is 5656623163522.

It can be written as a sum of positive squares in 4 ways, for example, as 42271771201 + 2211341495364 = 205601^2 + 1487058^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2253613266565 - 2¹ = 2253613266563 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 (2253613266563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76301296 + ... + 76330825.

It is an arithmetic number, because the mean of its divisors is an integer number (338156466291).

Almost surely, 2^{2253613266565} is an apocalyptic number.

It is an amenable number.

2253613266565 is a deficient number, since it is larger than the sum of its proper divisors (451638463763).

2253613266565 is a wasteful number, since it uses less digits than its factorization.

2253613266565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152635079.

The product of its digits is 11664000, while the sum is 52.

The spelling of 2253613266565 in words is "two trillion, two hundred fifty-three billion, six hundred thirteen million, two hundred sixty-six thousand, five hundred sixty-five".