36427993517 has 2 divisors, whose sum is σ = 36427993518. Its totient is φ = 36427993516.

The previous prime is 36427993487. The next prime is 36427993519. The reversal of 36427993517 is 71539972463.

36427993517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30753233956 + 5674759561 = 175366^2 + 75331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36427993517 is a prime.

Together with 36427993519, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36427993519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18213996758 + 18213996759.

It is an arithmetic number, because the mean of its divisors is an integer number (18213996759).

Almost surely, 2^36427993517 is an apocalyptic number.

It is an amenable number.

36427993517 is a deficient number, since it is larger than the sum of its proper divisors (1).

36427993517 is an equidigital number, since it uses as much as digits as its factorization.

36427993517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8573040, while the sum is 56.

The spelling of 36427993517 in words is "thirty-six billion, four hundred twenty-seven million, nine hundred ninety-three thousand, five hundred seventeen".