36534634237 has 2 divisors, whose sum is σ = 36534634238. Its totient is φ = 36534634236.

The previous prime is 36534634231. The next prime is 36534634247. The reversal of 36534634237 is 73243643563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36369922681 + 164711556 = 190709^2 + 12834^2 .

It is a cyclic number.

It is not a de Polignac number, because 36534634237 - 2⁷ = 36534634109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36534634231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18267317118 + 18267317119.

It is an arithmetic number, because the mean of its divisors is an integer number (18267317119).

Almost surely, 2^36534634237 is an apocalyptic number.

It is an amenable number.

36534634237 is a deficient number, since it is larger than the sum of its proper divisors (1).

36534634237 is an equidigital number, since it uses as much as digits as its factorization.

36534634237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 46.

The spelling of 36534634237 in words is "thirty-six billion, five hundred thirty-four million, six hundred thirty-four thousand, two hundred thirty-seven".