2189677351679 has 16 divisors (see below), whose sum is σ = 2236739974560. Its totient is φ = 2143124121600.

The previous prime is 2189677351577. The next prime is 2189677351723. The reversal of 2189677351679 is 9761537769812.

It is a cyclic number.

It is not a de Polignac number, because 2189677351679 - 2³⁶ = 2120957874943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189677351879) 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, 40630319 + ... + 40684175.

It is an arithmetic number, because the mean of its divisors is an integer number (139796248410).

Almost surely, 2^{2189677351679} is an apocalyptic number.

2189677351679 is a deficient number, since it is larger than the sum of its proper divisors (47062622881).

2189677351679 is a wasteful number, since it uses less digits than its factorization.

2189677351679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58570.

The product of its digits is 240045120, while the sum is 71.

The spelling of 2189677351679 in words is "two trillion, one hundred eighty-nine billion, six hundred seventy-seven million, three hundred fifty-one thousand, six hundred seventy-nine".