13642073046 has 72 divisors (see below), whose sum is σ = 34654613760. Its totient is φ = 3867012576.

The previous prime is 13642073021. The next prime is 13642073047. The reversal of 13642073046 is 64037024631.

It is a happy number.

13642073046 is a `hidden beast` number, since 1 + 3 + 642 + 0 + 7 + 3 + 0 + 4 + 6 = 666.

It is a super-2 number, since 2×13642073046² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13642073046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13642073047) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51120 + ... + 172908.

It is an arithmetic number, because the mean of its divisors is an integer number (481314080).

Almost surely, 2^13642073046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13642073046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17327306880).

13642073046 is an abundant number, since it is smaller than the sum of its proper divisors (21012540714).

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

13642073046 is a wasteful number, since it uses less digits than its factorization.

13642073046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121938 (or 121928 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

Adding to 13642073046 its reverse (64037024631), we get a palindrome (77679097677).

The spelling of 13642073046 in words is "thirteen billion, six hundred forty-two million, seventy-three thousand, forty-six".