13400221353 has 4 divisors (see below), whose sum is σ = 17866961808. Its totient is φ = 8933480900.

The previous prime is 13400221339. The next prime is 13400221363. The reversal of 13400221353 is 35312200431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35312200431 = 3 ⋅11770733477.

It is a cyclic number.

It is not a de Polignac number, because 13400221353 - 2²² = 13396027049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13400221363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2233370223 + ... + 2233370228.

It is an arithmetic number, because the mean of its divisors is an integer number (4466740452).

Almost surely, 2^13400221353 is an apocalyptic number.

It is an amenable number.

13400221353 is a deficient number, since it is larger than the sum of its proper divisors (4466740455).

13400221353 is an equidigital number, since it uses as much as digits as its factorization.

13400221353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4466740454.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 13400221353 its reverse (35312200431), we get a palindrome (48712421784).

The spelling of 13400221353 in words is "thirteen billion, four hundred million, two hundred twenty-one thousand, three hundred fifty-three".