6409824923 has 2 divisors, whose sum is σ = 6409824924. Its totient is φ = 6409824922.

The previous prime is 6409824919. The next prime is 6409824947. The reversal of 6409824923 is 3294289046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6409824923 - 2² = 6409824919 is a prime.

It is not a weakly prime, because it can be changed into another prime (6409824973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3204912461 + 3204912462.

It is an arithmetic number, because the mean of its divisors is an integer number (3204912462).

Almost surely, 2^6409824923 is an apocalyptic number.

6409824923 is a deficient number, since it is larger than the sum of its proper divisors (1).

6409824923 is an equidigital number, since it uses as much as digits as its factorization.

6409824923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 6409824923 is about 80061.3822201441. The cubic root of 6409824923 is about 1857.5851154641.

The spelling of 6409824923 in words is "six billion, four hundred nine million, eight hundred twenty-four thousand, nine hundred twenty-three".