36621356473237 has 2 divisors, whose sum is σ = 36621356473238. Its totient is φ = 36621356473236.

The previous prime is 36621356473223. The next prime is 36621356473469. The reversal of 36621356473237 is 73237465312663.

36621356473237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29266271448561 + 7355085024676 = 5409831^2 + 2712026^2 .

It is a cyclic number.

It is not a de Polignac number, because 36621356473237 - 2¹⁵ = 36621356440469 is a prime.

It is a super-2 number, since 2×36621356473237² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36621356443237) 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 as a sum of consecutive naturals, namely, 18310678236618 + 18310678236619.

It is an arithmetic number, because the mean of its divisors is an integer number (18310678236619).

Almost surely, 2^{36621356473237} is an apocalyptic number.

It is an amenable number.

36621356473237 is a deficient number, since it is larger than the sum of its proper divisors (1).

36621356473237 is an equidigital number, since it uses as much as digits as its factorization.

36621356473237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68584320, while the sum is 58.

The spelling of 36621356473237 in words is "thirty-six trillion, six hundred twenty-one billion, three hundred fifty-six million, four hundred seventy-three thousand, two hundred thirty-seven".