36868703513 has 2 divisors, whose sum is σ = 36868703514. Its totient is φ = 36868703512.

The previous prime is 36868703491. The next prime is 36868703549. The reversal of 36868703513 is 31530786863.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32933901529 + 3934801984 = 181477^2 + 62728^2 .

It is a cyclic number.

It is not a de Polignac number, because 36868703513 - 2¹⁰ = 36868702489 is a prime.

It is not a weakly prime, because it can be changed into another prime (36868703213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18434351756 + 18434351757.

It is an arithmetic number, because the mean of its divisors is an integer number (18434351757).

Almost surely, 2^36868703513 is an apocalyptic number.

It is an amenable number.

36868703513 is a deficient number, since it is larger than the sum of its proper divisors (1).

36868703513 is an equidigital number, since it uses as much as digits as its factorization.

36868703513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 36868703513 in words is "thirty-six billion, eight hundred sixty-eight million, seven hundred three thousand, five hundred thirteen".