463949897 has 2 divisors, whose sum is σ = 463949898. Its totient is φ = 463949896.

The previous prime is 463949869. The next prime is 463949911. The reversal of 463949897 is 798949364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 439782841 + 24167056 = 20971^2 + 4916^2 .

It is a cyclic number.

It is not a de Polignac number, because 463949897 - 2¹⁴ = 463933513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (463949867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231974948 + 231974949.

It is an arithmetic number, because the mean of its divisors is an integer number (231974949).

Almost surely, 2^463949897 is an apocalyptic number.

It is an amenable number.

463949897 is a deficient number, since it is larger than the sum of its proper divisors (1).

463949897 is an equidigital number, since it uses as much as digits as its factorization.

463949897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11757312, while the sum is 59.

The square root of 463949897 is about 21539.4962104502. The cubic root of 463949897 is about 774.1474618162.

The spelling of 463949897 in words is "four hundred sixty-three million, nine hundred forty-nine thousand, eight hundred ninety-seven".