2089890989802 has 144 divisors (see below), whose sum is σ = 6022788198336. Its totient is φ = 510897657600.

The previous prime is 2089890989801. The next prime is 2089890989807.

2089890989802 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2089890989801) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3772524 + ... + 4290887.

It is an arithmetic number, because the mean of its divisors is an integer number (41824918044).

Almost surely, 2^{2089890989802} is an apocalyptic number.

2089890989802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2089890989802 is an abundant number, since it is smaller than the sum of its proper divisors (3932897208534).

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

2089890989802 is a wasteful number, since it uses less digits than its factorization.

2089890989802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8063465 (or 8063451 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 72.

The spelling of 2089890989802 in words is "two trillion, eighty-nine billion, eight hundred ninety million, nine hundred eighty-nine thousand, eight hundred two".