36664633743217 has 4 divisors (see below), whose sum is σ = 37211867082736. Its totient is φ = 36117400403700.

The previous prime is 36664633743097. The next prime is 36664633743229. The reversal of 36664633743217 is 71234733646663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36664633743217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36664633743277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273616669659 + ... + 273616669792.

It is an arithmetic number, because the mean of its divisors is an integer number (9302966770684).

Almost surely, 2^{36664633743217} is an apocalyptic number.

It is an amenable number.

36664633743217 is a deficient number, since it is larger than the sum of its proper divisors (547233339519).

36664633743217 is an equidigital number, since it uses as much as digits as its factorization.

36664633743217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547233339518.

The product of its digits is 164602368, while the sum is 61.

The spelling of 36664633743217 in words is "thirty-six trillion, six hundred sixty-four billion, six hundred thirty-three million, seven hundred forty-three thousand, two hundred seventeen".