16923353829 has 4 divisors (see below), whose sum is σ = 22564471776. Its totient is φ = 11282235884.

The previous prime is 16923353819. The next prime is 16923353869. The reversal of 16923353829 is 92835332961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16923353829 - 2⁴ = 16923353813 is a prime.

It is a super-2 number, since 2×16923353829² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16923353819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2820558969 + ... + 2820558974.

It is an arithmetic number, because the mean of its divisors is an integer number (5641117944).

Almost surely, 2^16923353829 is an apocalyptic number.

It is an amenable number.

16923353829 is a deficient number, since it is larger than the sum of its proper divisors (5641117947).

16923353829 is an equidigital number, since it uses as much as digits as its factorization.

16923353829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5641117946.

The product of its digits is 2099520, while the sum is 51.

The spelling of 16923353829 in words is "sixteen billion, nine hundred twenty-three million, three hundred fifty-three thousand, eight hundred twenty-nine".