16949629423 has 8 divisors (see below), whose sum is σ = 17088657408. Its totient is φ = 16810688664.

The previous prime is 16949629399. The next prime is 16949629469. The reversal of 16949629423 is 32492694961.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16949629423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16949629483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401940 + ... + 442102.

It is an arithmetic number, because the mean of its divisors is an integer number (2136082176).

Almost surely, 2^16949629423 is an apocalyptic number.

16949629423 is a deficient number, since it is larger than the sum of its proper divisors (139027985).

16949629423 is a wasteful number, since it uses less digits than its factorization.

16949629423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43613.

The product of its digits is 5038848, while the sum is 55.

The spelling of 16949629423 in words is "sixteen billion, nine hundred forty-nine million, six hundred twenty-nine thousand, four hundred twenty-three".