6923797649 has 2 divisors, whose sum is σ = 6923797650. Its totient is φ = 6923797648.

The previous prime is 6923797603. The next prime is 6923797739. The reversal of 6923797649 is 9467973296.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5908228225 + 1015569424 = 76865^2 + 31868^2 .

It is a cyclic number.

It is not a de Polignac number, because 6923797649 - 2²⁰ = 6922749073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6923797591 and 6923797600.

It is not a weakly prime, because it can be changed into another prime (6923797549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3461898824 + 3461898825.

It is an arithmetic number, because the mean of its divisors is an integer number (3461898825).

Almost surely, 2^6923797649 is an apocalyptic number.

It is an amenable number.

6923797649 is a deficient number, since it is larger than the sum of its proper divisors (1).

6923797649 is an equidigital number, since it uses as much as digits as its factorization.

6923797649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30862944, while the sum is 62.

The square root of 6923797649 is about 83209.3603448554. The cubic root of 6923797649 is about 1905.9644195115.

The spelling of 6923797649 in words is "six billion, nine hundred twenty-three million, seven hundred ninety-seven thousand, six hundred forty-nine".