2969772809 has 4 divisors (see below), whose sum is σ = 2969973504. Its totient is φ = 2969572116.

The previous prime is 2969772779. The next prime is 2969772829. The reversal of 2969772809 is 9082779692.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2969772809 - 2²⁰ = 2968724233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2969772829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76217 + ... + 108390.

It is an arithmetic number, because the mean of its divisors is an integer number (742493376).

Almost surely, 2^2969772809 is an apocalyptic number.

It is an amenable number.

2969772809 is a deficient number, since it is larger than the sum of its proper divisors (200695).

2969772809 is a wasteful number, since it uses less digits than its factorization.

2969772809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200694.

The product of its (nonzero) digits is 6858432, while the sum is 59.

The square root of 2969772809 is about 54495.6219250684. The cubic root of 2969772809 is about 1437.3893040809.

The spelling of 2969772809 in words is "two billion, nine hundred sixty-nine million, seven hundred seventy-two thousand, eight hundred nine".