13445047356 has 24 divisors (see below), whose sum is σ = 33784991184. Its totient is φ = 4136937600.

The previous prime is 13445047351. The next prime is 13445047379. The reversal of 13445047356 is 65374054431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445047351) 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, 43092945 + ... + 43093256.

It is an arithmetic number, because the mean of its divisors is an integer number (1407707966).

Almost surely, 2^13445047356 is an apocalyptic number.

It is an amenable number.

13445047356 is an abundant number, since it is smaller than the sum of its proper divisors (20339943828).

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

13445047356 is a wasteful number, since it uses less digits than its factorization.

13445047356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86186221 (or 86186219 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 13445047356 in words is "thirteen billion, four hundred forty-five million, forty-seven thousand, three hundred fifty-six".