63429901 has 2 divisors, whose sum is σ = 63429902. Its totient is φ = 63429900.

The previous prime is 63429893. The next prime is 63429943. The reversal of 63429901 is 10992436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57912100 + 5517801 = 7610^2 + 2349^2 .

It is a cyclic number.

It is not a de Polignac number, because 63429901 - 2³ = 63429893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63429991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31714950 + 31714951.

It is an arithmetic number, because the mean of its divisors is an integer number (31714951).

Almost surely, 2^63429901 is an apocalyptic number.

It is an amenable number.

63429901 is a deficient number, since it is larger than the sum of its proper divisors (1).

63429901 is an equidigital number, since it uses as much as digits as its factorization.

63429901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 63429901 is about 7964.2891082632. The cubic root of 63429901 is about 398.8087495779.

The spelling of 63429901 in words is "sixty-three million, four hundred twenty-nine thousand, nine hundred one".