36782719993 has 2 divisors, whose sum is σ = 36782719994. Its totient is φ = 36782719992.

The previous prime is 36782719973. The next prime is 36782720063. The reversal of 36782719993 is 39991728763.

It is a happy number.

36782719993 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., 23924974329 + 12857745664 = 154677^2 + 113392^2 .

It is a cyclic number.

It is not a de Polignac number, because 36782719993 - 2⁹ = 36782719481 is a prime.

It is not a weakly prime, because it can be changed into another prime (36782719903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18391359996 + 18391359997.

It is an arithmetic number, because the mean of its divisors is an integer number (18391359997).

Almost surely, 2^36782719993 is an apocalyptic number.

It is an amenable number.

36782719993 is a deficient number, since it is larger than the sum of its proper divisors (1).

36782719993 is an equidigital number, since it uses as much as digits as its factorization.

36782719993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30862944, while the sum is 64.

The spelling of 36782719993 in words is "thirty-six billion, seven hundred eighty-two million, seven hundred nineteen thousand, nine hundred ninety-three".