11864484449 has 8 divisors (see below), whose sum is σ = 12143796192. Its totient is φ = 11585327040.

The previous prime is 11864484421. The next prime is 11864484461. The reversal of 11864484449 is 94448446811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11864484449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11864484449.

It is not an unprimeable number, because it can be changed into a prime (11864484479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125042 + ... + 198404.

It is an arithmetic number, because the mean of its divisors is an integer number (1517974524).

Almost surely, 2^11864484449 is an apocalyptic number.

It is an amenable number.

11864484449 is a deficient number, since it is larger than the sum of its proper divisors (279311743).

11864484449 is an equidigital number, since it uses as much as digits as its factorization.

11864484449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77167.

The product of its digits is 3538944, while the sum is 53.

The spelling of 11864484449 in words is "eleven billion, eight hundred sixty-four million, four hundred eighty-four thousand, four hundred forty-nine".