2709980797 has 4 divisors (see below), whose sum is σ = 2710239516. Its totient is φ = 2709722080.

The previous prime is 2709980783. The next prime is 2709980807. The reversal of 2709980797 is 7970899072.

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 2165878521 + 544102276 = 46539^2 + 23326^2 .

It is a cyclic number.

It is not a de Polignac number, because 2709980797 - 2¹⁵ = 2709948029 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 (2709980747) 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, 112954 + ... + 134827.

It is an arithmetic number, because the mean of its divisors is an integer number (677559879).

Almost surely, 2^2709980797 is an apocalyptic number.

It is an amenable number.

2709980797 is a deficient number, since it is larger than the sum of its proper divisors (258719).

2709980797 is a wasteful number, since it uses less digits than its factorization.

2709980797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258718.

The product of its (nonzero) digits is 4000752, while the sum is 58.

The square root of 2709980797 is about 52057.4758992404. The cubic root of 2709980797 is about 1394.1903459783.

The spelling of 2709980797 in words is "two billion, seven hundred nine million, nine hundred eighty thousand, seven hundred ninety-seven".