36648427847191 has 2 divisors, whose sum is σ = 36648427847192. Its totient is φ = 36648427847190.

The previous prime is 36648427847063. The next prime is 36648427847221. The reversal of 36648427847191 is 19174872484663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36648427847191 - 2⁷ = 36648427847063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36648427847191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36648427817191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18324213923595 + 18324213923596.

It is an arithmetic number, because the mean of its divisors is an integer number (18324213923596).

Almost surely, 2^{36648427847191} is an apocalyptic number.

36648427847191 is a deficient number, since it is larger than the sum of its proper divisors (1).

36648427847191 is an equidigital number, since it uses as much as digits as its factorization.

36648427847191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 390168576, while the sum is 70.

The spelling of 36648427847191 in words is "thirty-six trillion, six hundred forty-eight billion, four hundred twenty-seven million, eight hundred forty-seven thousand, one hundred ninety-one".