63099473 has 2 divisors, whose sum is σ = 63099474. Its totient is φ = 63099472.

The previous prime is 63099401. The next prime is 63099479. The reversal of 63099473 is 37499036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62837329 + 262144 = 7927^2 + 512^2 .

It is a cyclic number.

It is not a de Polignac number, because 63099473 - 2²⁰ = 62050897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63099473.

It is not a weakly prime, because it can be changed into another prime (63099479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31549736 + 31549737.

It is an arithmetic number, because the mean of its divisors is an integer number (31549737).

Almost surely, 2^63099473 is an apocalyptic number.

It is an amenable number.

63099473 is a deficient number, since it is larger than the sum of its proper divisors (1).

63099473 is an equidigital number, since it uses as much as digits as its factorization.

63099473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 63099473 is about 7943.5176716616. The cubic root of 63099473 is about 398.1150332876.

The spelling of 63099473 in words is "sixty-three million, ninety-nine thousand, four hundred seventy-three".