4054243101421 has 4 divisors (see below), whose sum is σ = 4130738254332. Its totient is φ = 3977747948512.

The previous prime is 4054243101373. The next prime is 4054243101431. The reversal of 4054243101421 is 1241013424504.

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 2918869740900 + 1135373360521 = 1708470^2 + 1065539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4054243101421 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 (4054243101431) 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, 38247576376 + ... + 38247576481.

It is an arithmetic number, because the mean of its divisors is an integer number (1032684563583).

Almost surely, 2^{4054243101421} is an apocalyptic number.

It is an amenable number.

4054243101421 is a deficient number, since it is larger than the sum of its proper divisors (76495152911).

4054243101421 is an equidigital number, since it uses as much as digits as its factorization.

4054243101421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76495152910.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 4054243101421 its reverse (1241013424504), we get a palindrome (5295256525925).

The spelling of 4054243101421 in words is "four trillion, fifty-four billion, two hundred forty-three million, one hundred one thousand, four hundred twenty-one".