13500033401 has 2 divisors, whose sum is σ = 13500033402. Its totient is φ = 13500033400.

The previous prime is 13500033389. The next prime is 13500033427. The reversal of 13500033401 is 10433000531.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13134306025 + 365727376 = 114605^2 + 19124^2 .

It is a cyclic number.

It is not a de Polignac number, because 13500033401 - 2¹⁴ = 13500017017 is a prime.

It is not a weakly prime, because it can be changed into another prime (13500053401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6750016700 + 6750016701.

It is an arithmetic number, because the mean of its divisors is an integer number (6750016701).

Almost surely, 2^13500033401 is an apocalyptic number.

It is an amenable number.

13500033401 is a deficient number, since it is larger than the sum of its proper divisors (1).

13500033401 is an equidigital number, since it uses as much as digits as its factorization.

13500033401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 13500033401 its reverse (10433000531), we get a palindrome (23933033932).

The spelling of 13500033401 in words is "thirteen billion, five hundred million, thirty-three thousand, four hundred one".