2969809919 has 2 divisors, whose sum is σ = 2969809920. Its totient is φ = 2969809918.

The previous prime is 2969809891. The next prime is 2969809957. The reversal of 2969809919 is 9199089692.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2969809919 - 2¹² = 2969805823 is a prime.

It is a super-2 number, since 2×2969809919² = 17639541909981573122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2969809819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1484904959 + 1484904960.

It is an arithmetic number, because the mean of its divisors is an integer number (1484904960).

Almost surely, 2^2969809919 is an apocalyptic number.

2969809919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2969809919 is an equidigital number, since it uses as much as digits as its factorization.

2969809919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5668704, while the sum is 62.

The square root of 2969809919 is about 54495.9624100722. The cubic root of 2969809919 is about 1437.3952912162.

The spelling of 2969809919 in words is "two billion, nine hundred sixty-nine million, eight hundred nine thousand, nine hundred nineteen".