36456546650639 has 2 divisors, whose sum is σ = 36456546650640. Its totient is φ = 36456546650638.

The previous prime is 36456546650597. The next prime is 36456546650677. The reversal of 36456546650639 is 93605664565463.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (93605664565463) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36456546650639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36456546650039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18228273325319 + 18228273325320.

It is an arithmetic number, because the mean of its divisors is an integer number (18228273325320).

Almost surely, 2^{36456546650639} is an apocalyptic number.

36456546650639 is a deficient number, since it is larger than the sum of its proper divisors (1).

36456546650639 is an equidigital number, since it uses as much as digits as its factorization.

36456546650639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712000, while the sum is 68.

The spelling of 36456546650639 in words is "thirty-six trillion, four hundred fifty-six billion, five hundred forty-six million, six hundred fifty thousand, six hundred thirty-nine".