6923797109 has 2 divisors, whose sum is σ = 6923797110. Its totient is φ = 6923797108.

The previous prime is 6923797063. The next prime is 6923797117. The reversal of 6923797109 is 9017973296.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6391203025 + 532594084 = 79945^2 + 23078^2 .

It is a cyclic number.

It is not a de Polignac number, because 6923797109 - 2¹² = 6923793013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6923790109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3461898554 + 3461898555.

It is an arithmetic number, because the mean of its divisors is an integer number (3461898555).

Almost surely, 2^6923797109 is an apocalyptic number.

It is an amenable number.

6923797109 is a deficient number, since it is larger than the sum of its proper divisors (1).

6923797109 is an equidigital number, since it uses as much as digits as its factorization.

6923797109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1285956, while the sum is 53.

The square root of 6923797109 is about 83209.3571000281. The cubic root of 6923797109 is about 1905.9643699616.

The spelling of 6923797109 in words is "six billion, nine hundred twenty-three million, seven hundred ninety-seven thousand, one hundred nine".