2694445909 has 4 divisors (see below), whose sum is σ = 2710976416. Its totient is φ = 2677915404.

The previous prime is 2694445877. The next prime is 2694445961. The reversal of 2694445909 is 9095444962.

It is a happy number.

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 2694445909 - 2⁵ = 2694445877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2694445109) 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 in 3 ways as a sum of consecutive naturals, for example, 8265009 + ... + 8265334.

It is an arithmetic number, because the mean of its divisors is an integer number (677744104).

Almost surely, 2^2694445909 is an apocalyptic number.

It is an amenable number.

2694445909 is a deficient number, since it is larger than the sum of its proper divisors (16530507).

2694445909 is a wasteful number, since it uses less digits than its factorization.

2694445909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16530506.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The square root of 2694445909 is about 51908.0524485363. The cubic root of 2694445909 is about 1391.5211869743.

The spelling of 2694445909 in words is "two billion, six hundred ninety-four million, four hundred forty-five thousand, nine hundred nine".