6604620444193 has 2 divisors, whose sum is σ = 6604620444194. Its totient is φ = 6604620444192.

The previous prime is 6604620444157. The next prime is 6604620444221. The reversal of 6604620444193 is 3914440264066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4218636660624 + 2385983783569 = 2053932^2 + 1544663^2 .

It is a cyclic number.

It is not a de Polignac number, because 6604620444193 - 2²⁹ = 6604083573281 is a prime.

It is a super-2 number, since 2×6604620444193² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6604690444193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3302310222096 + 3302310222097.

It is an arithmetic number, because the mean of its divisors is an integer number (3302310222097).

Almost surely, 2^{6604620444193} is an apocalyptic number.

It is an amenable number.

6604620444193 is a deficient number, since it is larger than the sum of its proper divisors (1).

6604620444193 is an equidigital number, since it uses as much as digits as its factorization.

6604620444193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 49.

The spelling of 6604620444193 in words is "six trillion, six hundred four billion, six hundred twenty million, four hundred forty-four thousand, one hundred ninety-three".