2726605641 has 16 divisors (see below), whose sum is σ = 3669194880. Its totient is φ = 1800940800.

The previous prime is 2726605631. The next prime is 2726605681. The reversal of 2726605641 is 1465066272.

It is not a de Polignac number, because 2726605641 - 2¹⁵ = 2726572873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2726605641.

It is not an unprimeable number, because it can be changed into a prime (2726605631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168481 + ... + 183953.

It is an arithmetic number, because the mean of its divisors is an integer number (229324680).

Almost surely, 2^2726605641 is an apocalyptic number.

It is an amenable number.

2726605641 is a deficient number, since it is larger than the sum of its proper divisors (942589239).

2726605641 is a wasteful number, since it uses less digits than its factorization.

2726605641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16016.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 2726605641 is about 52216.9095313003. The cubic root of 2726605641 is about 1397.0355027941.

The spelling of 2726605641 in words is "two billion, seven hundred twenty-six million, six hundred five thousand, six hundred forty-one".