36735893647 has 2 divisors, whose sum is σ = 36735893648. Its totient is φ = 36735893646.

The previous prime is 36735893609. The next prime is 36735893659. The reversal of 36735893647 is 74639853763.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36735893647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36735899647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18367946823 + 18367946824.

It is an arithmetic number, because the mean of its divisors is an integer number (18367946824).

Almost surely, 2^36735893647 is an apocalyptic number.

36735893647 is a deficient number, since it is larger than the sum of its proper divisors (1).

36735893647 is an equidigital number, since it uses as much as digits as its factorization.

36735893647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68584320, while the sum is 61.

The spelling of 36735893647 in words is "thirty-six billion, seven hundred thirty-five million, eight hundred ninety-three thousand, six hundred forty-seven".