4002218093 has 2 divisors, whose sum is σ = 4002218094. Its totient is φ = 4002218092.

The previous prime is 4002218069. The next prime is 4002218107. The reversal of 4002218093 is 3908122004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3590046889 + 412171204 = 59917^2 + 20302^2 .

It is a cyclic number.

It is not a de Polignac number, because 4002218093 - 2¹² = 4002213997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4002218893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001109046 + 2001109047.

It is an arithmetic number, because the mean of its divisors is an integer number (2001109047).

Almost surely, 2^4002218093 is an apocalyptic number.

It is an amenable number.

4002218093 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002218093 is an equidigital number, since it uses as much as digits as its factorization.

4002218093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 4002218093 is about 63263.0863379270. The cubic root of 4002218093 is about 1587.6944146795.

The spelling of 4002218093 in words is "four billion, two million, two hundred eighteen thousand, ninety-three".