2089527980981 has 16 divisors (see below), whose sum is σ = 2416944461568. Its totient is φ = 1769422233600.

The previous prime is 2089527980963. The next prime is 2089527981031. The reversal of 2089527980981 is 1890897259802.

It is a de Polignac number, because none of the positive numbers 2^k-2089527980981 is a prime.

It is a super-2 number, since 2×2089527980981² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089527985981) 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, 3138380 + ... + 3745461.

It is an arithmetic number, because the mean of its divisors is an integer number (151059028848).

Almost surely, 2^{2089527980981} is an apocalyptic number.

It is an amenable number.

2089527980981 is a deficient number, since it is larger than the sum of its proper divisors (327416480587).

2089527980981 is a wasteful number, since it uses less digits than its factorization.

2089527980981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6884372.

The product of its (nonzero) digits is 52254720, while the sum is 68.

The spelling of 2089527980981 in words is "two trillion, eighty-nine billion, five hundred twenty-seven million, nine hundred eighty thousand, nine hundred eighty-one".