4218998093 has 2 divisors, whose sum is σ = 4218998094. Its totient is φ = 4218998092.

The previous prime is 4218998087. The next prime is 4218998129. The reversal of 4218998093 is 3908998124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4209025129 + 9972964 = 64877^2 + 3158^2 .

It is a cyclic number.

It is not a de Polignac number, because 4218998093 - 2¹² = 4218993997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4218998023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2109499046 + 2109499047.

It is an arithmetic number, because the mean of its divisors is an integer number (2109499047).

Almost surely, 2^4218998093 is an apocalyptic number.

It is an amenable number.

4218998093 is a deficient number, since it is larger than the sum of its proper divisors (1).

4218998093 is an equidigital number, since it uses as much as digits as its factorization.

4218998093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 4218998093 is about 64953.8150765604. The cubic root of 4218998093 is about 1615.8576909869.

The spelling of 4218998093 in words is "four billion, two hundred eighteen million, nine hundred ninety-eight thousand, ninety-three".