4233142401721 has 2 divisors, whose sum is σ = 4233142401722. Its totient is φ = 4233142401720.

The previous prime is 4233142401703. The next prime is 4233142401779. The reversal of 4233142401721 is 1271042413324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2361950954496 + 1871191447225 = 1536864^2 + 1367915^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4233142401721 is a prime.

It is a super-2 number, since 2×4233142401721² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4233142402721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2116571200860 + 2116571200861.

It is an arithmetic number, because the mean of its divisors is an integer number (2116571200861).

Almost surely, 2^{4233142401721} is an apocalyptic number.

It is an amenable number.

4233142401721 is a deficient number, since it is larger than the sum of its proper divisors (1).

4233142401721 is an equidigital number, since it uses as much as digits as its factorization.

4233142401721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 4233142401721 in words is "four trillion, two hundred thirty-three billion, one hundred forty-two million, four hundred one thousand, seven hundred twenty-one".