13473789946 has 4 divisors (see below), whose sum is σ = 20210684922. Its totient is φ = 6736894972.

The previous prime is 13473789929. The next prime is 13473789971. The reversal of 13473789946 is 64998737431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7419238225 + 6054551721 = 86135^2 + 77811^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3368447485 + ... + 3368447488.

Almost surely, 2^13473789946 is an apocalyptic number.

13473789946 is a deficient number, since it is larger than the sum of its proper divisors (6736894976).

13473789946 is an equidigital number, since it uses as much as digits as its factorization.

13473789946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6736894975.

The product of its digits is 27433728, while the sum is 61.

The spelling of 13473789946 in words is "thirteen billion, four hundred seventy-three million, seven hundred eighty-nine thousand, nine hundred forty-six".