16929929 has 2 divisors, whose sum is σ = 16929930. Its totient is φ = 16929928.

The previous prime is 16929919. The next prime is 16929961. The reversal of 16929929 is 92992961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16418704 + 511225 = 4052^2 + 715^2 .

It is a cyclic number.

It is not a de Polignac number, because 16929929 - 2¹² = 16925833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16929919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8464964 + 8464965.

It is an arithmetic number, because the mean of its divisors is an integer number (8464965).

Almost surely, 2^16929929 is an apocalyptic number.

It is an amenable number.

16929929 is a deficient number, since it is larger than the sum of its proper divisors (1).

16929929 is an equidigital number, since it uses as much as digits as its factorization.

16929929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157464, while the sum is 47.

The square root of 16929929 is about 4114.5994944830. The cubic root of 16929929 is about 256.7743936014.

It can be divided in two parts, 169 and 29929, that multiplied together give a square (5058001 = 2249²).

The spelling of 16929929 in words is "sixteen million, nine hundred twenty-nine thousand, nine hundred twenty-nine".