201544434013 has 8 divisors (see below), whose sum is σ = 217056218400. Its totient is φ = 186033844848.

The previous prime is 201544433999. The next prime is 201544434053. The reversal of 201544434013 is 310434445102.

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

It is a cyclic number.

It is not a de Polignac number, because 201544434013 - 2²⁹ = 201007563101 is a prime.

It is a super-2 number, since 2×201544434013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201544434053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68118 + ... + 638536.

It is an arithmetic number, because the mean of its divisors is an integer number (27132027300).

Almost surely, 2^201544434013 is an apocalyptic number.

It is an amenable number.

201544434013 is a deficient number, since it is larger than the sum of its proper divisors (15511784387).

201544434013 is a wasteful number, since it uses less digits than its factorization.

201544434013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597611.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 201544434013 its reverse (310434445102), we get a palindrome (511978879115).

The spelling of 201544434013 in words is "two hundred one billion, five hundred forty-four million, four hundred thirty-four thousand, thirteen".