2669029977779 has 32 divisors (see below), whose sum is σ = 2955941683200. Its totient is φ = 2389793414400.

The previous prime is 2669029977773. The next prime is 2669029977811. The reversal of 2669029977779 is 9777799209662.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2669029977779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2669029977773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 726660287 + ... + 726663959.

It is an arithmetic number, because the mean of its divisors is an integer number (92373177600).

Almost surely, 2^{2669029977779} is an apocalyptic number.

2669029977779 is a deficient number, since it is larger than the sum of its proper divisors (286911705421).

2669029977779 is a wasteful number, since it uses less digits than its factorization.

2669029977779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7451.

The product of its (nonzero) digits is 2268426384, while the sum is 80.

The spelling of 2669029977779 in words is "two trillion, six hundred sixty-nine billion, twenty-nine million, nine hundred seventy-seven thousand, seven hundred seventy-nine".