387650136113 has 2 divisors, whose sum is σ = 387650136114. Its totient is φ = 387650136112.

The previous prime is 387650136073. The next prime is 387650136119. The reversal of 387650136113 is 311631056783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 375189325729 + 12460810384 = 612527^2 + 111628^2 .

It is a cyclic number.

It is not a de Polignac number, because 387650136113 - 2²⁴ = 387633358897 is a prime.

It is not a weakly prime, because it can be changed into another prime (387650136119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193825068056 + 193825068057.

It is an arithmetic number, because the mean of its divisors is an integer number (193825068057).

Almost surely, 2^387650136113 is an apocalyptic number.

It is an amenable number.

387650136113 is a deficient number, since it is larger than the sum of its proper divisors (1).

387650136113 is an equidigital number, since it uses as much as digits as its factorization.

387650136113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 387650136113 in words is "three hundred eighty-seven billion, six hundred fifty million, one hundred thirty-six thousand, one hundred thirteen".