2709397849 has 8 divisors (see below), whose sum is σ = 2736081920. Its totient is φ = 2682747216.

The previous prime is 2709397829. The next prime is 2709397903. The reversal of 2709397849 is 9487939072.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2709397849 - 2⁹ = 2709397337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2709397793 and 2709397802.

It is not an unprimeable number, because it can be changed into a prime (2709397829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173794 + ... + 188740.

It is an arithmetic number, because the mean of its divisors is an integer number (342010240).

Almost surely, 2^2709397849 is an apocalyptic number.

It is an amenable number.

2709397849 is a deficient number, since it is larger than the sum of its proper divisors (26684071).

2709397849 is a wasteful number, since it uses less digits than its factorization.

2709397849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16719.

The product of its (nonzero) digits is 6858432, while the sum is 58.

The square root of 2709397849 is about 52051.8765175666. The cubic root of 2709397849 is about 1394.0903700230.

The spelling of 2709397849 in words is "two billion, seven hundred nine million, three hundred ninety-seven thousand, eight hundred forty-nine".