6604090279361 has 2 divisors, whose sum is σ = 6604090279362. Its totient is φ = 6604090279360.

The previous prime is 6604090279321. The next prime is 6604090279363. The reversal of 6604090279361 is 1639720904066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6247300291600 + 356789987761 = 2499460^2 + 597319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6604090279361 is a prime.

It is a super-2 number, since 2×6604090279361² (a number of 26 digits) contains 22 as substring.

Together with 6604090279363, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6604090279363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3302045139680 + 3302045139681.

It is an arithmetic number, because the mean of its divisors is an integer number (3302045139681).

Almost surely, 2^{6604090279361} is an apocalyptic number.

It is an amenable number.

6604090279361 is a deficient number, since it is larger than the sum of its proper divisors (1).

6604090279361 is an equidigital number, since it uses as much as digits as its factorization.

6604090279361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 6604090279361 in words is "six trillion, six hundred four billion, ninety million, two hundred seventy-nine thousand, three hundred sixty-one".