16733926909 has 4 divisors (see below), whose sum is σ = 19124487904. Its totient is φ = 14343365916.

The previous prime is 16733926903. The next prime is 16733926949. The reversal of 16733926909 is 90962933761.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90962933761 = 7 ⋅12994704823.

It is a cyclic number.

It is not a de Polignac number, because 16733926909 - 2¹³ = 16733918717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16733926909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16733926903) 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, 1195280487 + ... + 1195280500.

It is an arithmetic number, because the mean of its divisors is an integer number (4781121976).

Almost surely, 2^16733926909 is an apocalyptic number.

It is an amenable number.

16733926909 is a deficient number, since it is larger than the sum of its proper divisors (2390560995).

16733926909 is an equidigital number, since it uses as much as digits as its factorization.

16733926909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390560994.

The product of its (nonzero) digits is 3306744, while the sum is 55.

The spelling of 16733926909 in words is "sixteen billion, seven hundred thirty-three million, nine hundred twenty-six thousand, nine hundred nine".