290129269 has 2 divisors, whose sum is σ = 290129270. Its totient is φ = 290129268.

The previous prime is 290129251. The next prime is 290129303. The reversal of 290129269 is 962921092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195300625 + 94828644 = 13975^2 + 9738^2 .

It is a cyclic number.

It is not a de Polignac number, because 290129269 - 2⁹ = 290128757 is a prime.

It is a super-2 number, since 2×290129269² = 168349985460948722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290129209) 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, 145064634 + 145064635.

It is an arithmetic number, because the mean of its divisors is an integer number (145064635).

Almost surely, 2^290129269 is an apocalyptic number.

It is an amenable number.

290129269 is a deficient number, since it is larger than the sum of its proper divisors (1).

290129269 is an equidigital number, since it uses as much as digits as its factorization.

290129269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 290129269 is about 17033.1814115860. The cubic root of 290129269 is about 662.0089302167.

The spelling of 290129269 in words is "two hundred ninety million, one hundred twenty-nine thousand, two hundred sixty-nine".