2606306464 has 12 divisors (see below), whose sum is σ = 5131165914. Its totient is φ = 1303153216.

The previous prime is 2606306453. The next prime is 2606306471. The reversal of 2606306464 is 4646036062.

It can be written as a sum of positive squares in only one way, i.e., 2233507600 + 372798864 = 47260^2 + 19308^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 40723507 + ... + 40723570.

Almost surely, 2^2606306464 is an apocalyptic number.

It is an amenable number.

2606306464 is a deficient number, since it is larger than the sum of its proper divisors (2524859450).

2606306464 is an equidigital number, since it uses as much as digits as its factorization.

2606306464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81447087 (or 81447079 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

The square root of 2606306464 is about 51051.9976494554. The cubic root of 2606306464 is about 1376.1797414831.

The spelling of 2606306464 in words is "two billion, six hundred six million, three hundred six thousand, four hundred sixty-four".