36366783991 has 2 divisors, whose sum is σ = 36366783992. Its totient is φ = 36366783990.

The previous prime is 36366783931. The next prime is 36366784049. The reversal of 36366783991 is 19938766363.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36366783991 - 2¹¹ = 36366781943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36366783931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18183391995 + 18183391996.

It is an arithmetic number, because the mean of its divisors is an integer number (18183391996).

Almost surely, 2^36366783991 is an apocalyptic number.

36366783991 is a deficient number, since it is larger than the sum of its proper divisors (1).

36366783991 is an equidigital number, since it uses as much as digits as its factorization.

36366783991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26453952, while the sum is 61.

The spelling of 36366783991 in words is "thirty-six billion, three hundred sixty-six million, seven hundred eighty-three thousand, nine hundred ninety-one".