6923747329 has 2 divisors, whose sum is σ = 6923747330. Its totient is φ = 6923747328.

The previous prime is 6923747317. The next prime is 6923747381. The reversal of 6923747329 is 9237473296.

It is a happy number.

It is an a-pointer prime, because the next prime (6923747381) can be obtained adding 6923747329 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4253648400 + 2670098929 = 65220^2 + 51673^2 .

It is a cyclic number.

It is not a de Polignac number, because 6923747329 - 2²³ = 6915358721 is a prime.

It is not a weakly prime, because it can be changed into another prime (6923787329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3461873664 + 3461873665.

It is an arithmetic number, because the mean of its divisors is an integer number (3461873665).

It is a Proth number, since it is equal to 6603 ⋅ 2²⁰ + 1 and 6603 < 2²⁰.

Almost surely, 2^6923747329 is an apocalyptic number.

It is an amenable number.

6923747329 is a deficient number, since it is larger than the sum of its proper divisors (1).

6923747329 is an equidigital number, since it uses as much as digits as its factorization.

6923747329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 52.

The square root of 6923747329 is about 83209.0579744778. The cubic root of 6923747329 is about 1905.9598021821.

The spelling of 6923747329 in words is "six billion, nine hundred twenty-three million, seven hundred forty-seven thousand, three hundred twenty-nine".