11895084689 has 4 divisors (see below), whose sum is σ = 11896780656. Its totient is φ = 11893388724.

The previous prime is 11895084581. The next prime is 11895084709. The reversal of 11895084689 is 98648059811.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98648059811 = 7 ⋅14092579973.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11895084689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11895084389) 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, 837419 + ... + 851504.

It is an arithmetic number, because the mean of its divisors is an integer number (2974195164).

Almost surely, 2^11895084689 is an apocalyptic number.

It is an amenable number.

11895084689 is a deficient number, since it is larger than the sum of its proper divisors (1695967).

11895084689 is an equidigital number, since it uses as much as digits as its factorization.

11895084689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695966.

The product of its (nonzero) digits is 4976640, while the sum is 59.

The spelling of 11895084689 in words is "eleven billion, eight hundred ninety-five million, eighty-four thousand, six hundred eighty-nine".