369539869 has 2 divisors, whose sum is σ = 369539870. Its totient is φ = 369539868.

The previous prime is 369539867. The next prime is 369539879. The reversal of 369539869 is 968935963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213539769 + 156000100 = 14613^2 + 12490^2 .

It is a cyclic number.

It is not a de Polignac number, because 369539869 - 2¹ = 369539867 is a prime.

It is a super-2 number, since 2×369539869² = 273119429561074322, which contains 22 as substring.

Together with 369539867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (369539867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184769934 + 184769935.

It is an arithmetic number, because the mean of its divisors is an integer number (184769935).

Almost surely, 2^369539869 is an apocalyptic number.

It is an amenable number.

369539869 is a deficient number, since it is larger than the sum of its proper divisors (1).

369539869 is an equidigital number, since it uses as much as digits as its factorization.

369539869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9447840, while the sum is 58.

The square root of 369539869 is about 19223.4198050191. The cubic root of 369539869 is about 717.6077166724.

The spelling of 369539869 in words is "three hundred sixty-nine million, five hundred thirty-nine thousand, eight hundred sixty-nine".