36766525641421 has 2 divisors, whose sum is σ = 36766525641422. Its totient is φ = 36766525641420.

The previous prime is 36766525641389. The next prime is 36766525641449. The reversal of 36766525641421 is 12414652566763.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36181897189321 + 584628452100 = 6015139^2 + 764610^2 .

It is an emirp because it is prime and its reverse (12414652566763) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36766525641421 - 2⁵ = 36766525641389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36766525641221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18383262820710 + 18383262820711.

It is an arithmetic number, because the mean of its divisors is an integer number (18383262820711).

Almost surely, 2^{36766525641421} is an apocalyptic number.

It is an amenable number.

36766525641421 is a deficient number, since it is larger than the sum of its proper divisors (1).

36766525641421 is an equidigital number, since it uses as much as digits as its factorization.

36766525641421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43545600, while the sum is 58.

The spelling of 36766525641421 in words is "thirty-six trillion, seven hundred sixty-six billion, five hundred twenty-five million, six hundred forty-one thousand, four hundred twenty-one".