63422439 has 4 divisors (see below), whose sum is σ = 84563256. Its totient is φ = 42281624.

The previous prime is 63422423. The next prime is 63422479. The reversal of 63422439 is 93422436.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63422439 - 2⁴ = 63422423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63422479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10570404 + ... + 10570409.

It is an arithmetic number, because the mean of its divisors is an integer number (21140814).

Almost surely, 2^63422439 is an apocalyptic number.

63422439 is a deficient number, since it is larger than the sum of its proper divisors (21140817).

63422439 is a wasteful number, since it uses less digits than its factorization.

63422439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21140816.

The product of its digits is 31104, while the sum is 33.

The square root of 63422439 is about 7963.8206283165. The cubic root of 63422439 is about 398.7931101211.

The spelling of 63422439 in words is "sixty-three million, four hundred twenty-two thousand, four hundred thirty-nine".