13522146243 has 16 divisors (see below), whose sum is σ = 18195166080. Its totient is φ = 8931999104.

The previous prime is 13522146241. The next prime is 13522146247. The reversal of 13522146243 is 34264122531.

It is a cyclic number.

It is not a de Polignac number, because 13522146243 - 2¹ = 13522146241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13522146241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1528888 + ... + 1537706.

It is an arithmetic number, because the mean of its divisors is an integer number (1137197880).

Almost surely, 2^13522146243 is an apocalyptic number.

13522146243 is a deficient number, since it is larger than the sum of its proper divisors (4673019837).

13522146243 is a wasteful number, since it uses less digits than its factorization.

13522146243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13458.

The product of its digits is 34560, while the sum is 33.

Adding to 13522146243 its reverse (34264122531), we get a palindrome (47786268774).

The spelling of 13522146243 in words is "thirteen billion, five hundred twenty-two million, one hundred forty-six thousand, two hundred forty-three".