13442521398 has 8 divisors (see below), whose sum is σ = 26885042808. Its totient is φ = 4480840464.

The previous prime is 13442521381. The next prime is 13442521423. The reversal of 13442521398 is 89312524431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

13442521398 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120210111 + ... + 1120210122.

It is an arithmetic number, because the mean of its divisors is an integer number (3360630351).

Almost surely, 2^13442521398 is an apocalyptic number.

13442521398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13442521398 is a wasteful number, since it uses less digits than its factorization.

13442521398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240420238.

The product of its digits is 207360, while the sum is 42.

The spelling of 13442521398 in words is "thirteen billion, four hundred forty-two million, five hundred twenty-one thousand, three hundred ninety-eight".