2879091269 has 2 divisors, whose sum is σ = 2879091270. Its totient is φ = 2879091268.

The previous prime is 2879091239. The next prime is 2879091283. The reversal of 2879091269 is 9621909782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1498077025 + 1381014244 = 38705^2 + 37162^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2879091269 is a prime.

It is a super-2 number, since 2×2879091269² = 16578333070464060722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2879091269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2879091209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439545634 + 1439545635.

It is an arithmetic number, because the mean of its divisors is an integer number (1439545635).

Almost surely, 2^2879091269 is an apocalyptic number.

It is an amenable number.

2879091269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2879091269 is an equidigital number, since it uses as much as digits as its factorization.

2879091269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 2879091269 is about 53657.1641908143. The cubic root of 2879091269 is about 1422.6076644243.

The spelling of 2879091269 in words is "two billion, eight hundred seventy-nine million, ninety-one thousand, two hundred sixty-nine".