2606634477979 has 16 divisors (see below), whose sum is σ = 2984446964736. Its totient is φ = 2230182957600.

The previous prime is 2606634477917. The next prime is 2606634478033. The reversal of 2606634477979 is 9797744366062.

It is a cyclic number.

It is not a de Polignac number, because 2606634477979 - 2¹⁹ = 2606633953691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2606634477179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16547569 + ... + 16704349.

It is an arithmetic number, because the mean of its divisors is an integer number (186527935296).

Almost surely, 2^{2606634477979} is an apocalyptic number.

2606634477979 is a deficient number, since it is larger than the sum of its proper divisors (377812486757).

2606634477979 is a wasteful number, since it uses less digits than its factorization.

2606634477979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161106.

The product of its (nonzero) digits is 576108288, while the sum is 70.

The spelling of 2606634477979 in words is "two trillion, six hundred six billion, six hundred thirty-four million, four hundred seventy-seven thousand, nine hundred seventy-nine".