12455049817 has 8 divisors (see below), whose sum is σ = 14236825536. Its totient is φ = 10673894832.

The previous prime is 12455049809. The next prime is 12455049829. The reversal of 12455049817 is 71894055421.

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

It is a cyclic number.

It is not a de Polignac number, because 12455049817 - 2³ = 12455049809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12455049317) 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, 111358 + ... + 193159.

It is an arithmetic number, because the mean of its divisors is an integer number (1779603192).

Almost surely, 2^12455049817 is an apocalyptic number.

It is an amenable number.

12455049817 is a deficient number, since it is larger than the sum of its proper divisors (1781775719).

12455049817 is an equidigital number, since it uses as much as digits as its factorization.

12455049817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310367.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 12455049817 in words is "twelve billion, four hundred fifty-five million, forty-nine thousand, eight hundred seventeen".