2536749563567 has 4 divisors (see below), whose sum is σ = 2541792803760. Its totient is φ = 2531706323376.

The previous prime is 2536749563561. The next prime is 2536749563599. The reversal of 2536749563567 is 7653659476352.

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

It is a cyclic number.

It is not a de Polignac number, because 2536749563567 - 2²⁰ = 2536748514991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2536749563497 and 2536749563506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2536749563561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2521619342 + ... + 2521620347.

It is an arithmetic number, because the mean of its divisors is an integer number (635448200940).

Almost surely, 2^{2536749563567} is an apocalyptic number.

2536749563567 is a deficient number, since it is larger than the sum of its proper divisors (5043240193).

2536749563567 is an equidigital number, since it uses as much as digits as its factorization.

2536749563567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043240192.

The product of its digits is 857304000, while the sum is 68.

The spelling of 2536749563567 in words is "two trillion, five hundred thirty-six billion, seven hundred forty-nine million, five hundred sixty-three thousand, five hundred sixty-seven".