13543532401 has 8 divisors (see below), whose sum is σ = 15674251520. Its totient is φ = 11461795488.

The previous prime is 13543532389. The next prime is 13543532467. The reversal of 13543532401 is 10423534531.

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 13543532401 - 2¹⁷ = 13543401329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13543532801) 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, 12244956 + ... + 12246061.

It is an arithmetic number, because the mean of its divisors is an integer number (1959281440).

Almost surely, 2^13543532401 is an apocalyptic number.

It is an amenable number.

13543532401 is a deficient number, since it is larger than the sum of its proper divisors (2130719119).

13543532401 is an equidigital number, since it uses as much as digits as its factorization.

13543532401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24491103.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 13543532401 in words is "thirteen billion, five hundred forty-three million, five hundred thirty-two thousand, four hundred one".