13446489650 has 24 divisors (see below), whose sum is σ = 27284151024. Its totient is φ = 4889632400.

The previous prime is 13446489649. The next prime is 13446489659. The reversal of 13446489650 is 5698464431.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (13446489659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12223532 + ... + 12224631.

It is an arithmetic number, because the mean of its divisors is an integer number (1136839626).

Almost surely, 2^13446489650 is an apocalyptic number.

13446489650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13446489650 is an abundant number, since it is smaller than the sum of its proper divisors (13837661374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13446489650 is a wasteful number, since it uses less digits than its factorization.

13446489650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24448186 (or 24448181 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 13446489650 in words is "thirteen billion, four hundred forty-six million, four hundred eighty-nine thousand, six hundred fifty".