16929492009 has 16 divisors (see below), whose sum is σ = 22647350400. Its totient is φ = 11249030016.

The previous prime is 16929492001. The next prime is 16929492071. The reversal of 16929492009 is 90029492961.

It is not a de Polignac number, because 16929492009 - 2³ = 16929492001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16929492001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1593487 + ... + 1604075.

It is an arithmetic number, because the mean of its divisors is an integer number (1415459400).

Almost surely, 2^16929492009 is an apocalyptic number.

It is an amenable number.

16929492009 is a deficient number, since it is larger than the sum of its proper divisors (5717858391).

16929492009 is a wasteful number, since it uses less digits than its factorization.

16929492009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12304.

The product of its (nonzero) digits is 629856, while the sum is 51.

The spelling of 16929492009 in words is "sixteen billion, nine hundred twenty-nine million, four hundred ninety-two thousand, nine".