462929981 has 2 divisors, whose sum is σ = 462929982. Its totient is φ = 462929980.

The previous prime is 462929969. The next prime is 462930007. The reversal of 462929981 is 189929264.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453264100 + 9665881 = 21290^2 + 3109^2 .

It is a cyclic number.

It is not a de Polignac number, because 462929981 - 2¹⁰ = 462928957 is a prime.

It is a super-2 number, since 2×462929981² = 428608334617320722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (462929921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231464990 + 231464991.

It is an arithmetic number, because the mean of its divisors is an integer number (231464991).

Almost surely, 2^462929981 is an apocalyptic number.

It is an amenable number.

462929981 is a deficient number, since it is larger than the sum of its proper divisors (1).

462929981 is an equidigital number, since it uses as much as digits as its factorization.

462929981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 50.

The square root of 462929981 is about 21515.8077003862. The cubic root of 462929981 is about 773.5797678539.

The spelling of 462929981 in words is "four hundred sixty-two million, nine hundred twenty-nine thousand, nine hundred eighty-one".