2089809532361 has 4 divisors (see below), whose sum is σ = 2100311088000. Its totient is φ = 2079307976724.

The previous prime is 2089809532357. The next prime is 2089809532367. The reversal of 2089809532361 is 1632359089802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2089809532361 - 2² = 2089809532357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2089809532297 and 2089809532306.

It is not an unprimeable number, because it can be changed into a prime (2089809532367) 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, 5250777521 + ... + 5250777918.

It is an arithmetic number, because the mean of its divisors is an integer number (525077772000).

Almost surely, 2^{2089809532361} is an apocalyptic number.

It is an amenable number.

2089809532361 is a deficient number, since it is larger than the sum of its proper divisors (10501555639).

2089809532361 is a wasteful number, since it uses less digits than its factorization.

2089809532361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10501555638.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 2089809532361 in words is "two trillion, eighty-nine billion, eight hundred nine million, five hundred thirty-two thousand, three hundred sixty-one".