2916969809 has 4 divisors (see below), whose sum is σ = 3141352116. Its totient is φ = 2692587504.

The previous prime is 2916969787. The next prime is 2916969817. The reversal of 2916969809 is 9089696192.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1293121600 + 1623848209 = 35960^2 + 40297^2 .

It is a cyclic number.

It is not a de Polignac number, because 2916969809 - 2¹⁶ = 2916904273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2916969899) 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 in 3 ways as a sum of consecutive naturals, for example, 112191134 + ... + 112191159.

It is an arithmetic number, because the mean of its divisors is an integer number (785338029).

Almost surely, 2^2916969809 is an apocalyptic number.

It is an amenable number.

2916969809 is a deficient number, since it is larger than the sum of its proper divisors (224382307).

2916969809 is a wasteful number, since it uses less digits than its factorization.

2916969809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224382306.

The product of its (nonzero) digits is 3779136, while the sum is 59.

The square root of 2916969809 is about 54008.9789664645. The cubic root of 2916969809 is about 1428.8193115030.

The spelling of 2916969809 in words is "two billion, nine hundred sixteen million, nine hundred sixty-nine thousand, eight hundred nine".