2669898872 has 8 divisors (see below), whose sum is σ = 5006060400. Its totient is φ = 1334949432.

The previous prime is 2669898871. The next prime is 2669898877. The reversal of 2669898872 is 2788989662.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2669898799 and 2669898808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669898871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166868672 + ... + 166868687.

It is an arithmetic number, because the mean of its divisors is an integer number (625757550).

Almost surely, 2^2669898872 is an apocalyptic number.

It is an amenable number.

2669898872 is a deficient number, since it is larger than the sum of its proper divisors (2336161528).

2669898872 is a wasteful number, since it uses less digits than its factorization.

2669898872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333737365 (or 333737361 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 65.

The square root of 2669898872 is about 51671.0641655463. The cubic root of 2669898872 is about 1387.2825939917.

The spelling of 2669898872 in words is "two billion, six hundred sixty-nine million, eight hundred ninety-eight thousand, eight hundred seventy-two".