20409910598189 has 16 divisors (see below), whose sum is σ = 23345238458880. Its totient is φ = 17479494175920.

The previous prime is 20409910598173. The next prime is 20409910598237. The reversal of 20409910598189 is 98189501990402.

It is not a de Polignac number, because 20409910598189 - 2⁴ = 20409910598173 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 (20409910598489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51060074 + ... + 51458244.

It is an arithmetic number, because the mean of its divisors is an integer number (1459077403680).

Almost surely, 2^{20409910598189} is an apocalyptic number.

It is an amenable number.

20409910598189 is a deficient number, since it is larger than the sum of its proper divisors (2935327860691).

20409910598189 is a wasteful number, since it uses less digits than its factorization.

20409910598189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404320.

The product of its (nonzero) digits is 16796160, while the sum is 65.

The spelling of 20409910598189 in words is "twenty trillion, four hundred nine billion, nine hundred ten million, five hundred ninety-eight thousand, one hundred eighty-nine".