16293929 has 2 divisors, whose sum is σ = 16293930. Its totient is φ = 16293928.

The previous prime is 16293919. The next prime is 16293943. The reversal of 16293929 is 92939261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12588304 + 3705625 = 3548^2 + 1925^2 .

It is an emirp because it is prime and its reverse (92939261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16293929 is a prime.

It is not a weakly prime, because it can be changed into another prime (16293919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8146964 + 8146965.

It is an arithmetic number, because the mean of its divisors is an integer number (8146965).

Almost surely, 2^16293929 is an apocalyptic number.

It is an amenable number.

16293929 is a deficient number, since it is larger than the sum of its proper divisors (1).

16293929 is an equidigital number, since it uses as much as digits as its factorization.

16293929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 41.

The square root of 16293929 is about 4036.5739185601. The cubic root of 16293929 is about 253.5178870263.

The spelling of 16293929 in words is "sixteen million, two hundred ninety-three thousand, nine hundred twenty-nine".