6922790549 has 2 divisors, whose sum is σ = 6922790550. Its totient is φ = 6922790548.

The previous prime is 6922790503. The next prime is 6922790551. The reversal of 6922790549 is 9450972296.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4029964324 + 2892826225 = 63482^2 + 53785^2 .

It is a cyclic number.

It is not a de Polignac number, because 6922790549 - 2⁸ = 6922790293 is a prime.

Together with 6922790551, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6922790549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6922790449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3461395274 + 3461395275.

It is an arithmetic number, because the mean of its divisors is an integer number (3461395275).

Almost surely, 2^6922790549 is an apocalyptic number.

It is an amenable number.

6922790549 is a deficient number, since it is larger than the sum of its proper divisors (1).

6922790549 is an equidigital number, since it uses as much as digits as its factorization.

6922790549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 6922790549 is about 83203.3085219572. The cubic root of 6922790549 is about 1905.8720044363.

The spelling of 6922790549 in words is "six billion, nine hundred twenty-two million, seven hundred ninety thousand, five hundred forty-nine".