13453489746 has 20 divisors (see below), whose sum is σ = 30145782942. Its totient is φ = 4484496528.

The previous prime is 13453489727. The next prime is 13453489807. The reversal of 13453489746 is 64798435431.

13453489746 is a `hidden beast` number, since 1 + 34 + 534 + 8 + 9 + 74 + 6 = 666.

13453489746 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6923072025 + 6530417721 = 83205^2 + 80811^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13453489692 and 13453489701.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 41522955 + ... + 41523278.

Almost surely, 2^13453489746 is an apocalyptic number.

13453489746 is an abundant number, since it is smaller than the sum of its proper divisors (16692293196).

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

13453489746 is an equidigital number, since it uses as much as digits as its factorization.

13453489746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83046247 (or 83046238 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 13453489746 in words is "thirteen billion, four hundred fifty-three million, four hundred eighty-nine thousand, seven hundred forty-six".