2536491624481 has 2 divisors, whose sum is σ = 2536491624482. Its totient is φ = 2536491624480.

The previous prime is 2536491624479. The next prime is 2536491624487. The reversal of 2536491624481 is 1844261946352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2387643040000 + 148848584481 = 1545200^2 + 385809^2 .

It is a cyclic number.

It is not a de Polignac number, because 2536491624481 - 2¹ = 2536491624479 is a prime.

It is a super-2 number, since 2×2536491624481² (a number of 26 digits) contains 22 as substring.

Together with 2536491624479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2536491624487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1268245812240 + 1268245812241.

It is an arithmetic number, because the mean of its divisors is an integer number (1268245812241).

Almost surely, 2^{2536491624481} is an apocalyptic number.

It is an amenable number.

2536491624481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2536491624481 is an equidigital number, since it uses as much as digits as its factorization.

2536491624481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9953280, while the sum is 55.

The spelling of 2536491624481 in words is "two trillion, five hundred thirty-six billion, four hundred ninety-one million, six hundred twenty-four thousand, four hundred eighty-one".