2616722965 has 4 divisors (see below), whose sum is σ = 3140067564. Its totient is φ = 2093378368.

The previous prime is 2616722957. The next prime is 2616722981. The reversal of 2616722965 is 5692276162.

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 1934416324 + 682306641 = 43982^2 + 26121^2 .

It is a cyclic number.

It is not a de Polignac number, because 2616722965 - 2³ = 2616722957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261672292 + ... + 261672301.

It is an arithmetic number, because the mean of its divisors is an integer number (785016891).

Almost surely, 2^2616722965 is an apocalyptic number.

It is an amenable number.

2616722965 is a deficient number, since it is larger than the sum of its proper divisors (523344599).

2616722965 is an equidigital number, since it uses as much as digits as its factorization.

2616722965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523344598.

The product of its digits is 544320, while the sum is 46.

The square root of 2616722965 is about 51153.9144640955. The cubic root of 2616722965 is about 1378.0106751350.

The spelling of 2616722965 in words is "two billion, six hundred sixteen million, seven hundred twenty-two thousand, nine hundred sixty-five".