29039669 has 2 divisors, whose sum is σ = 29039670. Its totient is φ = 29039668.

The previous prime is 29039651. The next prime is 29039677. The reversal of 29039669 is 96693092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26399044 + 2640625 = 5138^2 + 1625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29039669 is a prime.

It is a super-2 number, since 2×29039669² = 1686604751259122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29039069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14519834 + 14519835.

It is an arithmetic number, because the mean of its divisors is an integer number (14519835).

Almost surely, 2^29039669 is an apocalyptic number.

It is an amenable number.

29039669 is a deficient number, since it is larger than the sum of its proper divisors (1).

29039669 is an equidigital number, since it uses as much as digits as its factorization.

29039669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 29039669 is about 5388.8467226300. The cubic root of 29039669 is about 307.3717057953.

The spelling of 29039669 in words is "twenty-nine million, thirty-nine thousand, six hundred sixty-nine".