2689993164228 has 12 divisors (see below), whose sum is σ = 6276650716560. Its totient is φ = 896664388072.

The previous prime is 2689993164223. The next prime is 2689993164239. The reversal of 2689993164228 is 8224613999862.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2689993164223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112083048498 + ... + 112083048521.

It is an arithmetic number, because the mean of its divisors is an integer number (523054226380).

Almost surely, 2^{2689993164228} is an apocalyptic number.

It is an amenable number.

2689993164228 is an abundant number, since it is smaller than the sum of its proper divisors (3586657552332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2689993164228 is a wasteful number, since it uses less digits than its factorization.

2689993164228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224166097026 (or 224166097024 counting only the distinct ones).

The product of its digits is 161243136, while the sum is 69.

The spelling of 2689993164228 in words is "two trillion, six hundred eighty-nine billion, nine hundred ninety-three million, one hundred sixty-four thousand, two hundred twenty-eight".