64663463 has 8 divisors (see below), whose sum is σ = 65713536. Its totient is φ = 63617400.

The previous prime is 64663411. The next prime is 64663481. The reversal of 64663463 is 36436646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64663463 - 2¹⁰ = 64662439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64663163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57020 + ... + 58142.

It is an arithmetic number, because the mean of its divisors is an integer number (8214192).

Almost surely, 2^64663463 is an apocalyptic number.

64663463 is a deficient number, since it is larger than the sum of its proper divisors (1050073).

64663463 is a wasteful number, since it uses less digits than its factorization.

64663463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005.

The product of its digits is 186624, while the sum is 38.

The square root of 64663463 is about 8041.3595243590. The cubic root of 64663463 is about 401.3774656095.

The spelling of 64663463 in words is "sixty-four million, six hundred sixty-three thousand, four hundred sixty-three".