10909602781589 has 4 divisors (see below), whose sum is σ = 10995505165824. Its totient is φ = 10823700397356.

The previous prime is 10909602781573. The next prime is 10909602781603. The reversal of 10909602781589 is 98518720690901.

It is a happy number.

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 10909602781589 - 2⁴ = 10909602781573 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 (10909602781559) 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, 42951191927 + ... + 42951192180.

It is an arithmetic number, because the mean of its divisors is an integer number (2748876291456).

Almost surely, 2^{10909602781589} is an apocalyptic number.

It is an amenable number.

10909602781589 is a deficient number, since it is larger than the sum of its proper divisors (85902384235).

10909602781589 is an equidigital number, since it uses as much as digits as its factorization.

10909602781589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85902384234.

The product of its (nonzero) digits is 19595520, while the sum is 65.

The spelling of 10909602781589 in words is "ten trillion, nine hundred nine billion, six hundred two million, seven hundred eighty-one thousand, five hundred eighty-nine".