6201172823663 has 2 divisors, whose sum is σ = 6201172823664. Its totient is φ = 6201172823662.

The previous prime is 6201172823641. The next prime is 6201172823687. The reversal of 6201172823663 is 3663282711026.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6201172823663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6201172823603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3100586411831 + 3100586411832.

It is an arithmetic number, because the mean of its divisors is an integer number (3100586411832).

Almost surely, 2^{6201172823663} is an apocalyptic number.

6201172823663 is a deficient number, since it is larger than the sum of its proper divisors (1).

6201172823663 is an equidigital number, since it uses as much as digits as its factorization.

6201172823663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 6201172823663 in words is "six trillion, two hundred one billion, one hundred seventy-two million, eight hundred twenty-three thousand, six hundred sixty-three".