2869967869 has 2 divisors, whose sum is σ = 2869967870. Its totient is φ = 2869967868.

The previous prime is 2869967843. The next prime is 2869967911. The reversal of 2869967869 is 9687699682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1675919844 + 1194048025 = 40938^2 + 34555^2 .

It is a cyclic number.

It is not a de Polignac number, because 2869967869 - 2⁷ = 2869967741 is a prime.

It is a super-2 number, since 2×2869967869² = 16473431138184802322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2869967798 and 2869967807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2869967839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1434983934 + 1434983935.

It is an arithmetic number, because the mean of its divisors is an integer number (1434983935).

Almost surely, 2^2869967869 is an apocalyptic number.

It is an amenable number.

2869967869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2869967869 is an equidigital number, since it uses as much as digits as its factorization.

2869967869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141087744, while the sum is 70.

The square root of 2869967869 is about 53572.0810590740. The cubic root of 2869967869 is about 1421.1033989870.

The spelling of 2869967869 in words is "two billion, eight hundred sixty-nine million, nine hundred sixty-seven thousand, eight hundred sixty-nine".