36993513857 has 2 divisors, whose sum is σ = 36993513858. Its totient is φ = 36993513856.

The previous prime is 36993513841. The next prime is 36993513871. The reversal of 36993513857 is 75831539963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24313853041 + 12679660816 = 155929^2 + 112604^2 .

It is a cyclic number.

It is not a de Polignac number, because 36993513857 - 2⁴ = 36993513841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36993513796 and 36993513805.

It is not a weakly prime, because it can be changed into another prime (36993513827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18496756928 + 18496756929.

It is an arithmetic number, because the mean of its divisors is an integer number (18496756929).

Almost surely, 2^36993513857 is an apocalyptic number.

It is an amenable number.

36993513857 is a deficient number, since it is larger than the sum of its proper divisors (1).

36993513857 is an equidigital number, since it uses as much as digits as its factorization.

36993513857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18370800, while the sum is 59.

The spelling of 36993513857 in words is "thirty-six billion, nine hundred ninety-three million, five hundred thirteen thousand, eight hundred fifty-seven".