36544466437 has 2 divisors, whose sum is σ = 36544466438. Its totient is φ = 36544466436.

The previous prime is 36544466423. The next prime is 36544466473. The reversal of 36544466437 is 73466444563.

Together with next prime (36544466473) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34655173281 + 1889293156 = 186159^2 + 43466^2 .

It is a cyclic number.

It is not a de Polignac number, because 36544466437 - 2²⁷ = 36410248709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36544466407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18272233218 + 18272233219.

It is an arithmetic number, because the mean of its divisors is an integer number (18272233219).

Almost surely, 2^36544466437 is an apocalyptic number.

It is an amenable number.

36544466437 is a deficient number, since it is larger than the sum of its proper divisors (1).

36544466437 is an equidigital number, since it uses as much as digits as its factorization.

36544466437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 52.

The spelling of 36544466437 in words is "thirty-six billion, five hundred forty-four million, four hundred sixty-six thousand, four hundred thirty-seven".