6879442573 has 2 divisors, whose sum is σ = 6879442574. Its totient is φ = 6879442572.

The previous prime is 6879442543. The next prime is 6879442579. The reversal of 6879442573 is 3752449786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3526221924 + 3353220649 = 59382^2 + 57907^2 .

It is a cyclic number.

It is not a de Polignac number, because 6879442573 - 2⁹ = 6879442061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6879442579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3439721286 + 3439721287.

It is an arithmetic number, because the mean of its divisors is an integer number (3439721287).

Almost surely, 2^6879442573 is an apocalyptic number.

It is an amenable number.

6879442573 is a deficient number, since it is larger than the sum of its proper divisors (1).

6879442573 is an equidigital number, since it uses as much as digits as its factorization.

6879442573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 55.

The square root of 6879442573 is about 82942.4051556259. The cubic root of 6879442573 is about 1901.8857153773.

The spelling of 6879442573 in words is "six billion, eight hundred seventy-nine million, four hundred forty-two thousand, five hundred seventy-three".