13525440033 has 8 divisors (see below), whose sum is σ = 20610194368. Its totient is φ = 7728822864.

The previous prime is 13525440029. The next prime is 13525440041. The reversal of 13525440033 is 33004452531.

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

It is not a de Polignac number, because 13525440033 - 2² = 13525440029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13525450033) 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, 322034266 + ... + 322034307.

It is an arithmetic number, because the mean of its divisors is an integer number (2576274296).

Almost surely, 2^13525440033 is an apocalyptic number.

It is an amenable number.

13525440033 is a deficient number, since it is larger than the sum of its proper divisors (7084754335).

13525440033 is an equidigital number, since it uses as much as digits as its factorization.

13525440033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644068583.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 13525440033 its reverse (33004452531), we get a palindrome (46529892564).

The spelling of 13525440033 in words is "thirteen billion, five hundred twenty-five million, four hundred forty thousand, thirty-three".