36338385557 has 2 divisors, whose sum is σ = 36338385558. Its totient is φ = 36338385556.

The previous prime is 36338385539. The next prime is 36338385583. The reversal of 36338385557 is 75558383363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33740546596 + 2597838961 = 183686^2 + 50969^2 .

It is a cyclic number.

It is not a de Polignac number, because 36338385557 - 2²⁴ = 36321608341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36338382557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18169192778 + 18169192779.

It is an arithmetic number, because the mean of its divisors is an integer number (18169192779).

Almost surely, 2^36338385557 is an apocalyptic number.

It is an amenable number.

36338385557 is a deficient number, since it is larger than the sum of its proper divisors (1).

36338385557 is an equidigital number, since it uses as much as digits as its factorization.

36338385557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216000, while the sum is 56.

The spelling of 36338385557 in words is "thirty-six billion, three hundred thirty-eight million, three hundred eighty-five thousand, five hundred fifty-seven".