13625438201 has 4 divisors (see below), whose sum is σ = 13957766004. Its totient is φ = 13293110400.

The previous prime is 13625438173. The next prime is 13625438207. The reversal of 13625438201 is 10283452631.

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 834054400 + 12791383801 = 28880^2 + 113099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13625438201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13625438207) 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, 166163840 + ... + 166163921.

It is an arithmetic number, because the mean of its divisors is an integer number (3489441501).

Almost surely, 2^13625438201 is an apocalyptic number.

It is an amenable number.

13625438201 is a deficient number, since it is larger than the sum of its proper divisors (332327803).

13625438201 is an equidigital number, since it uses as much as digits as its factorization.

13625438201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332327802.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 13625438201 in words is "thirteen billion, six hundred twenty-five million, four hundred thirty-eight thousand, two hundred one".