13422421403 has 4 divisors (see below), whose sum is σ = 13441846728. Its totient is φ = 13402996080.

The previous prime is 13422421373. The next prime is 13422421487. The reversal of 13422421403 is 30412422431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13422421403 - 2²⁸ = 13153985947 is a prime.

It is a super-2 number, since 2×13422421403² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13422426403) 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, 9711626 + ... + 9713007.

It is an arithmetic number, because the mean of its divisors is an integer number (3360461682).

Almost surely, 2^13422421403 is an apocalyptic number.

13422421403 is a deficient number, since it is larger than the sum of its proper divisors (19425325).

13422421403 is an equidigital number, since it uses as much as digits as its factorization.

13422421403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19425324.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 13422421403 its reverse (30412422431), we get a palindrome (43834843834).

The spelling of 13422421403 in words is "thirteen billion, four hundred twenty-two million, four hundred twenty-one thousand, four hundred three".