13402444403 has 2 divisors, whose sum is σ = 13402444404. Its totient is φ = 13402444402.

The previous prime is 13402444397. The next prime is 13402444441. The reversal of 13402444403 is 30444420431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13402444403 - 2⁴ = 13402444387 is a prime.

It is not a weakly prime, because it can be changed into another prime (13402443403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6701222201 + 6701222202.

It is an arithmetic number, because the mean of its divisors is an integer number (6701222202).

Almost surely, 2^13402444403 is an apocalyptic number.

13402444403 is a deficient number, since it is larger than the sum of its proper divisors (1).

13402444403 is an equidigital number, since it uses as much as digits as its factorization.

13402444403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 13402444403 its reverse (30444420431), we get a palindrome (43846864834).

The spelling of 13402444403 in words is "thirteen billion, four hundred two million, four hundred forty-four thousand, four hundred three".