4353113211421 has 4 divisors (see below), whose sum is σ = 4687968073852. Its totient is φ = 4018258348992.

The previous prime is 4353113211413. The next prime is 4353113211431. The reversal of 4353113211421 is 1241123113534.

It is a happy number.

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 2319391932025 + 2033721279396 = 1522955^2 + 1426086^2 .

It is a cyclic number.

It is not a de Polignac number, because 4353113211421 - 2³ = 4353113211413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4353113211431) 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, 167427431196 + ... + 167427431221.

It is an arithmetic number, because the mean of its divisors is an integer number (1171992018463).

Almost surely, 2^{4353113211421} is an apocalyptic number.

It is an amenable number.

4353113211421 is a deficient number, since it is larger than the sum of its proper divisors (334854862431).

4353113211421 is a wasteful number, since it uses less digits than its factorization.

4353113211421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334854862430.

The product of its digits is 8640, while the sum is 31.

Adding to 4353113211421 its reverse (1241123113534), we get a palindrome (5594236324955).

The spelling of 4353113211421 in words is "four trillion, three hundred fifty-three billion, one hundred thirteen million, two hundred eleven thousand, four hundred twenty-one".