4354134420121 has 4 divisors (see below), whose sum is σ = 4370320793700. Its totient is φ = 4337948046544.

The previous prime is 4354134420089. The next prime is 4354134420127. The reversal of 4354134420121 is 1210244314534.

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 2508438278025 + 1845696142096 = 1583805^2 + 1358564^2 .

It is a cyclic number.

It is not a de Polignac number, because 4354134420121 - 2⁵ = 4354134420089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4354134420127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8093186386 + ... + 8093186923.

It is an arithmetic number, because the mean of its divisors is an integer number (1092580198425).

Almost surely, 2^{4354134420121} is an apocalyptic number.

It is an amenable number.

4354134420121 is a deficient number, since it is larger than the sum of its proper divisors (16186373579).

4354134420121 is a wasteful number, since it uses less digits than its factorization.

4354134420121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16186373578.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 4354134420121 its reverse (1210244314534), we get a palindrome (5564378734655).

The spelling of 4354134420121 in words is "four trillion, three hundred fifty-four billion, one hundred thirty-four million, four hundred twenty thousand, one hundred twenty-one".