29664493 has 2 divisors, whose sum is σ = 29664494. Its totient is φ = 29664492.

The previous prime is 29664487. The next prime is 29664521. The reversal of 29664493 is 39446692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25989604 + 3674889 = 5098^2 + 1917^2 .

It is a cyclic number.

It is not a de Polignac number, because 29664493 - 2⁹ = 29663981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29664413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14832246 + 14832247.

It is an arithmetic number, because the mean of its divisors is an integer number (14832247).

Almost surely, 2^29664493 is an apocalyptic number.

It is an amenable number.

29664493 is a deficient number, since it is larger than the sum of its proper divisors (1).

29664493 is an equidigital number, since it uses as much as digits as its factorization.

29664493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 43.

The square root of 29664493 is about 5446.5120031080. The cubic root of 29664493 is about 309.5605740769.

The spelling of 29664493 in words is "twenty-nine million, six hundred sixty-four thousand, four hundred ninety-three".