2606929949 has 6 divisors (see below), whose sum is σ = 2822888826. Its totient is φ = 2406396720.

The previous prime is 2606929939. The next prime is 2606929951. The reversal of 2606929949 is 9499296062.

It can be written as a sum of positive squares in 3 ways, for example, as 9498724 + 2597431225 = 3082^2 + 50965^2 .

It is not a de Polignac number, because 2606929949 - 2²⁰ = 2605881373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2606929894 and 2606929903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2606929939) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7712642 + ... + 7712979.

It is an arithmetic number, because the mean of its divisors is an integer number (470481471).

Almost surely, 2^2606929949 is an apocalyptic number.

It is an amenable number.

2606929949 is a deficient number, since it is larger than the sum of its proper divisors (215958877).

2606929949 is a wasteful number, since it uses less digits than its factorization.

2606929949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15425647 (or 15425634 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 56.

The square root of 2606929949 is about 51058.1036565206. The cubic root of 2606929949 is about 1376.2894700751.

The spelling of 2606929949 in words is "two billion, six hundred six million, nine hundred twenty-nine thousand, nine hundred forty-nine".