4323981001 has 2 divisors, whose sum is σ = 4323981002. Its totient is φ = 4323981000.

The previous prime is 4323980989. The next prime is 4323981049. The reversal of 4323981001 is 1001893234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4314519225 + 9461776 = 65685^2 + 3076^2 .

It is a cyclic number.

It is not a de Polignac number, because 4323981001 - 2⁷ = 4323980873 is a prime.

It is not a weakly prime, because it can be changed into another prime (4323982001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2161990500 + 2161990501.

It is an arithmetic number, because the mean of its divisors is an integer number (2161990501).

Almost surely, 2^4323981001 is an apocalyptic number.

It is an amenable number.

4323981001 is a deficient number, since it is larger than the sum of its proper divisors (1).

4323981001 is an equidigital number, since it uses as much as digits as its factorization.

4323981001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 4323981001 is about 65756.9844275116. The cubic root of 4323981001 is about 1629.1506987333.

The spelling of 4323981001 in words is "four billion, three hundred twenty-three million, nine hundred eighty-one thousand, one".