13400442001 has 2 divisors, whose sum is σ = 13400442002. Its totient is φ = 13400442000.

The previous prime is 13400441987. The next prime is 13400442007. The reversal of 13400442001 is 10024400431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12918595600 + 481846401 = 113660^2 + 21951^2 .

It is a cyclic number.

It is not a de Polignac number, because 13400442001 - 2⁵ = 13400441969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13400442001.

It is not a weakly prime, because it can be changed into another prime (13400442007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6700221000 + 6700221001.

It is an arithmetic number, because the mean of its divisors is an integer number (6700221001).

Almost surely, 2^13400442001 is an apocalyptic number.

It is an amenable number.

13400442001 is a deficient number, since it is larger than the sum of its proper divisors (1).

13400442001 is an equidigital number, since it uses as much as digits as its factorization.

13400442001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 13400442001 its reverse (10024400431), we get a palindrome (23424842432).

The spelling of 13400442001 in words is "thirteen billion, four hundred million, four hundred forty-two thousand, one".