4233142401421 has 36 divisors (see below), whose sum is σ = 4577923734300. Its totient is φ = 3913870329600.

The previous prime is 4233142401379. The next prime is 4233142401569. The reversal of 4233142401421 is 1241042413324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 888468367396 + 3344674034025 = 942586^2 + 1828845^2 .

It is not a de Polignac number, because 4233142401421 - 2¹¹ = 4233142399373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4233142401721) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 478370805 + ... + 478379653.

It is an arithmetic number, because the mean of its divisors is an integer number (127164548175).

Almost surely, 2^{4233142401421} is an apocalyptic number.

It is an amenable number.

4233142401421 is a deficient number, since it is larger than the sum of its proper divisors (344781332879).

4233142401421 is an equidigital number, since it uses as much as digits as its factorization.

4233142401421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9898 (or 9844 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 4233142401421 its reverse (1241042413324), we get a palindrome (5474184814745).

The spelling of 4233142401421 in words is "four trillion, two hundred thirty-three billion, one hundred forty-two million, four hundred one thousand, four hundred twenty-one".