6617494801 has 2 divisors, whose sum is σ = 6617494802. Its totient is φ = 6617494800.

The previous prime is 6617494789. The next prime is 6617494831. The reversal of 6617494801 is 1084947166.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3366784576 + 3250710225 = 58024^2 + 57015^2 .

It is a cyclic number.

It is not a de Polignac number, because 6617494801 - 2⁵ = 6617494769 is a prime.

It is not a weakly prime, because it can be changed into another prime (6617494831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3308747400 + 3308747401.

It is an arithmetic number, because the mean of its divisors is an integer number (3308747401).

Almost surely, 2^6617494801 is an apocalyptic number.

It is an amenable number.

6617494801 is a deficient number, since it is larger than the sum of its proper divisors (1).

6617494801 is an equidigital number, since it uses as much as digits as its factorization.

6617494801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 6617494801 is about 81347.9858447645. The cubic root of 6617494801 is about 1877.4333846695.

The spelling of 6617494801 in words is "six billion, six hundred seventeen million, four hundred ninety-four thousand, eight hundred one".