63429943 has 2 divisors, whose sum is σ = 63429944. Its totient is φ = 63429942.

The previous prime is 63429901. The next prime is 63429973. The reversal of 63429943 is 34992436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63429943 - 2¹³ = 63421751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63429896 and 63429905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63429973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31714971 + 31714972.

It is an arithmetic number, because the mean of its divisors is an integer number (31714972).

Almost surely, 2^63429943 is an apocalyptic number.

63429943 is a deficient number, since it is larger than the sum of its proper divisors (1).

63429943 is an equidigital number, since it uses as much as digits as its factorization.

63429943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 40.

The square root of 63429943 is about 7964.2917450330. The cubic root of 63429943 is about 398.8088376014.

The spelling of 63429943 in words is "sixty-three million, four hundred twenty-nine thousand, nine hundred forty-three".