466121681 has 2 divisors, whose sum is σ = 466121682. Its totient is φ = 466121680.

The previous prime is 466121647. The next prime is 466121693. The reversal of 466121681 is 186121664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356605456 + 109516225 = 18884^2 + 10465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-466121681 is a prime.

It is a super-2 number, since 2×466121681² = 434538842996531522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (466121081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233060840 + 233060841.

It is an arithmetic number, because the mean of its divisors is an integer number (233060841).

Almost surely, 2^466121681 is an apocalyptic number.

It is an amenable number.

466121681 is a deficient number, since it is larger than the sum of its proper divisors (1).

466121681 is an equidigital number, since it uses as much as digits as its factorization.

466121681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 466121681 is about 21589.8513427027. The cubic root of 466121681 is about 775.3535291686.

The spelling of 466121681 in words is "four hundred sixty-six million, one hundred twenty-one thousand, six hundred eighty-one".