13445261642 has 8 divisors (see below), whose sum is σ = 20168743296. Its totient is φ = 6722347212.

The previous prime is 13445261617. The next prime is 13445261647. The reversal of 13445261642 is 24616254431.

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

It is a junction number, because it is equal to n+sod(n) for n = 13445261596 and 13445261605.

It is not an unprimeable number, because it can be changed into a prime (13445261647) 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, 76538 + ... + 180965.

It is an arithmetic number, because the mean of its divisors is an integer number (2521092912).

Almost surely, 2^13445261642 is an apocalyptic number.

13445261642 is a deficient number, since it is larger than the sum of its proper divisors (6723481654).

13445261642 is a wasteful number, since it uses less digits than its factorization.

13445261642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283612.

The product of its digits is 138240, while the sum is 38.

The spelling of 13445261642 in words is "thirteen billion, four hundred forty-five million, two hundred sixty-one thousand, six hundred forty-two".