246002066221 has 2 divisors, whose sum is σ = 246002066222. Its totient is φ = 246002066220.

The previous prime is 246002066183. The next prime is 246002066239. The reversal of 246002066221 is 122660200642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216677216196 + 29324850025 = 465486^2 + 171245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-246002066221 is a prime.

It is a super-3 number, since 3×246002066221³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246002066521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123001033110 + 123001033111.

It is an arithmetic number, because the mean of its divisors is an integer number (123001033111).

Almost surely, 2^246002066221 is an apocalyptic number.

It is an amenable number.

246002066221 is a deficient number, since it is larger than the sum of its proper divisors (1).

246002066221 is an equidigital number, since it uses as much as digits as its factorization.

246002066221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 246002066221 its reverse (122660200642), we get a palindrome (368662266863).

The spelling of 246002066221 in words is "two hundred forty-six billion, two million, sixty-six thousand, two hundred twenty-one".