13355201645 has 8 divisors (see below), whose sum is σ = 16037145600. Its totient is φ = 10676892240.

The previous prime is 13355201609. The next prime is 13355201659. The reversal of 13355201645 is 54610255331.

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

It is not a de Polignac number, because 13355201645 - 2¹⁸ = 13354939501 is a prime.

It is a super-3 number, since 3×13355201645³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 900545 + ... + 915254.

It is an arithmetic number, because the mean of its divisors is an integer number (2004643200).

Almost surely, 2^13355201645 is an apocalyptic number.

It is an amenable number.

13355201645 is a deficient number, since it is larger than the sum of its proper divisors (2681943955).

13355201645 is a wasteful number, since it uses less digits than its factorization.

13355201645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817275.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 13355201645 its reverse (54610255331), we get a palindrome (67965456976).

The spelling of 13355201645 in words is "thirteen billion, three hundred fifty-five million, two hundred one thousand, six hundred forty-five".