13445267798 has 16 divisors (see below), whose sum is σ = 20300852880. Its totient is φ = 6678462816.

The previous prime is 13445267791. The next prime is 13445267809. The reversal of 13445267798 is 89776254431.

13445267798 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445267791) 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, 149573 + ... + 221951.

It is an arithmetic number, because the mean of its divisors is an integer number (1268803305).

Almost surely, 2^13445267798 is an apocalyptic number.

13445267798 is a deficient number, since it is larger than the sum of its proper divisors (6855585082).

13445267798 is a wasteful number, since it uses less digits than its factorization.

13445267798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72991.

The product of its digits is 10160640, while the sum is 56.

The spelling of 13445267798 in words is "thirteen billion, four hundred forty-five million, two hundred sixty-seven thousand, seven hundred ninety-eight".