63429473 has 2 divisors, whose sum is σ = 63429474. Its totient is φ = 63429472.

The previous prime is 63429463. The next prime is 63429479. The reversal of 63429473 is 37492436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48553024 + 14876449 = 6968^2 + 3857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63429473 is a prime.

It is not a weakly prime, because it can be changed into another prime (63429479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31714736 + 31714737.

It is an arithmetic number, because the mean of its divisors is an integer number (31714737).

Almost surely, 2^63429473 is an apocalyptic number.

It is an amenable number.

63429473 is a deficient number, since it is larger than the sum of its proper divisors (1).

63429473 is an equidigital number, since it uses as much as digits as its factorization.

63429473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 38.

The square root of 63429473 is about 7964.2622382742. The cubic root of 63429473 is about 398.8078525744.

The spelling of 63429473 in words is "sixty-three million, four hundred twenty-nine thousand, four hundred seventy-three".