4159421281 has 2 divisors, whose sum is σ = 4159421282. Its totient is φ = 4159421280.

The previous prime is 4159421257. The next prime is 4159421317. The reversal of 4159421281 is 1821249514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2402470225 + 1756951056 = 49015^2 + 41916^2 .

It is a cyclic number.

It is not a de Polignac number, because 4159421281 - 2¹⁹ = 4158896993 is a prime.

It is a super-2 number, since 2×4159421281² = 34601570785671361922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4159421281.

It is not a weakly prime, because it can be changed into another prime (4159421221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2079710640 + 2079710641.

It is an arithmetic number, because the mean of its divisors is an integer number (2079710641).

Almost surely, 2^4159421281 is an apocalyptic number.

It is an amenable number.

4159421281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4159421281 is an equidigital number, since it uses as much as digits as its factorization.

4159421281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 37.

The square root of 4159421281 is about 64493.5755017506. The cubic root of 4159421281 is about 1608.2157207978.

The spelling of 4159421281 in words is "four billion, one hundred fifty-nine million, four hundred twenty-one thousand, two hundred eighty-one".