13453807747 has 4 divisors (see below), whose sum is σ = 13579544376. Its totient is φ = 13328071120.

The previous prime is 13453807739. The next prime is 13453807771. The reversal of 13453807747 is 74770835431.

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

It is a cyclic number.

It is not a de Polignac number, because 13453807747 - 2³ = 13453807739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13453807747.

It is not an unprimeable number, because it can be changed into a prime (13453807777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62868154 + ... + 62868367.

It is an arithmetic number, because the mean of its divisors is an integer number (3394886094).

Almost surely, 2^13453807747 is an apocalyptic number.

13453807747 is a deficient number, since it is larger than the sum of its proper divisors (125736629).

13453807747 is a wasteful number, since it uses less digits than its factorization.

13453807747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125736628.

The product of its (nonzero) digits is 1975680, while the sum is 49.

The spelling of 13453807747 in words is "thirteen billion, four hundred fifty-three million, eight hundred seven thousand, seven hundred forty-seven".