36642269 has 2 divisors, whose sum is σ = 36642270. Its totient is φ = 36642268.

The previous prime is 36642251. The next prime is 36642311. The reversal of 36642269 is 96224663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35940025 + 702244 = 5995^2 + 838^2 .

It is a cyclic number.

It is not a de Polignac number, because 36642269 - 2¹⁶ = 36576733 is a prime.

It is a super-2 number, since 2×36642269² = 2685311754936722, 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 (36642209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18321134 + 18321135.

It is an arithmetic number, because the mean of its divisors is an integer number (18321135).

Almost surely, 2^36642269 is an apocalyptic number.

It is an amenable number.

36642269 is a deficient number, since it is larger than the sum of its proper divisors (1).

36642269 is an equidigital number, since it uses as much as digits as its factorization.

36642269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 38.

The square root of 36642269 is about 6053.2858019426. The cubic root of 36642269 is about 332.1447963989.

The spelling of 36642269 in words is "thirty-six million, six hundred forty-two thousand, two hundred sixty-nine".