13236437442 has 8 divisors (see below), whose sum is σ = 26472874896. Its totient is φ = 4412145812.

The previous prime is 13236437413. The next prime is 13236437477. The reversal of 13236437442 is 24473463231.

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

13236437442 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 13236437442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103036448 + ... + 1103036459.

It is an arithmetic number, because the mean of its divisors is an integer number (3309109362).

Almost surely, 2^13236437442 is an apocalyptic number.

13236437442 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.

13236437442 is a wasteful number, since it uses less digits than its factorization.

13236437442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206072912.

The product of its digits is 290304, while the sum is 39.

The spelling of 13236437442 in words is "thirteen billion, two hundred thirty-six million, four hundred thirty-seven thousand, four hundred forty-two".