14573637541 has 4 divisors (see below), whose sum is σ = 14717931084. Its totient is φ = 14429344000.

The previous prime is 14573637523. The next prime is 14573637607.

It is a happy number.

14573637541 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12501476100 + 2072161441 = 111810^2 + 45521^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14573637541 is a prime.

It is a super-2 number, since 2×14573637541² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14573637491 and 14573637500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14573637511) 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, 72146620 + ... + 72146821.

It is an arithmetic number, because the mean of its divisors is an integer number (3679482771).

Almost surely, 2^14573637541 is an apocalyptic number.

It is an amenable number.

14573637541 is a deficient number, since it is larger than the sum of its proper divisors (144293543).

14573637541 is a wasteful number, since it uses less digits than its factorization.

14573637541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144293542.

The product of its digits is 1058400, while the sum is 46.

The spelling of 14573637541 in words is "fourteen billion, five hundred seventy-three million, six hundred thirty-seven thousand, five hundred forty-one".