64432463 has 2 divisors, whose sum is σ = 64432464. Its totient is φ = 64432462.

The previous prime is 64432451. The next prime is 64432507. The reversal of 64432463 is 36423446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64432463 - 2⁶ = 64432399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64431463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32216231 + 32216232.

It is an arithmetic number, because the mean of its divisors is an integer number (32216232).

Almost surely, 2^64432463 is an apocalyptic number.

64432463 is a deficient number, since it is larger than the sum of its proper divisors (1).

64432463 is an equidigital number, since it uses as much as digits as its factorization.

64432463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 32.

The square root of 64432463 is about 8026.9834309035. The cubic root of 64432463 is about 400.8989428244.

The spelling of 64432463 in words is "sixty-four million, four hundred thirty-two thousand, four hundred sixty-three".