824023702809 has 12 divisors (see below), whose sum is σ = 1190785256752. Its totient is φ = 549105075000.

The previous prime is 824023702793. The next prime is 824023702829. The reversal of 824023702809 is 908207320428.

It is not a de Polignac number, because 824023702809 - 2⁴ = 824023702793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (824023702829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20316967 + ... + 20357484.

Almost surely, 2^824023702809 is an apocalyptic number.

It is an amenable number.

824023702809 is a deficient number, since it is larger than the sum of its proper divisors (366761553943).

824023702809 is a wasteful number, since it uses less digits than its factorization.

824023702809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40676708 (or 40676705 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 824023702809 in words is "eight hundred twenty-four billion, twenty-three million, seven hundred two thousand, eight hundred nine".