2536890788645 has 16 divisors (see below), whose sum is σ = 3078801795888. Its totient is φ = 2006533570560.

The previous prime is 2536890788639. The next prime is 2536890788647. The reversal of 2536890788645 is 5468870986352.

It is a Cunningham number, because it is equal to 1592762²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 361097635396 + 2175793153249 = 600914^2 + 1475057^2 .

It is not a de Polignac number, because 2536890788645 - 2¹⁸ = 2536890526501 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 (2536890788647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2203076 + ... + 3150765.

It is an arithmetic number, because the mean of its divisors is an integer number (192425112243).

Almost surely, 2^{2536890788645} is an apocalyptic number.

It is an amenable number.

2536890788645 is a deficient number, since it is larger than the sum of its proper divisors (541911007243).

2536890788645 is an equidigital number, since it uses as much as digits as its factorization.

2536890788645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354920.

The product of its (nonzero) digits is 696729600, while the sum is 71.

The spelling of 2536890788645 in words is "two trillion, five hundred thirty-six billion, eight hundred ninety million, seven hundred eighty-eight thousand, six hundred forty-five".