2709009893 has 4 divisors (see below), whose sum is σ = 2710384908. Its totient is φ = 2707634880.

The previous prime is 2709009881. The next prime is 2709009917. The reversal of 2709009893 is 3989009072.

2709009893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1375445569 + 1333564324 = 37087^2 + 36518^2 .

It is a cyclic number.

It is not a de Polignac number, because 2709009893 - 2¹⁴ = 2708993509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2709009833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684548 + ... + 688493.

It is an arithmetic number, because the mean of its divisors is an integer number (677596227).

Almost surely, 2^2709009893 is an apocalyptic number.

It is an amenable number.

2709009893 is a deficient number, since it is larger than the sum of its proper divisors (1375015).

2709009893 is a wasteful number, since it uses less digits than its factorization.

2709009893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375014.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 2709009893 is about 52048.1497557790. The cubic root of 2709009893 is about 1394.0238273728.

The spelling of 2709009893 in words is "two billion, seven hundred nine million, nine thousand, eight hundred ninety-three".