64536463 has 2 divisors, whose sum is σ = 64536464. Its totient is φ = 64536462.

The previous prime is 64536391. The next prime is 64536491. The reversal of 64536463 is 36463546.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64536463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64536763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32268231 + 32268232.

It is an arithmetic number, because the mean of its divisors is an integer number (32268232).

Almost surely, 2^64536463 is an apocalyptic number.

64536463 is a deficient number, since it is larger than the sum of its proper divisors (1).

64536463 is an equidigital number, since it uses as much as digits as its factorization.

64536463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 37.

The square root of 64536463 is about 8033.4589685888. The cubic root of 64536463 is about 401.1145229622.

The spelling of 64536463 in words is "sixty-four million, five hundred thirty-six thousand, four hundred sixty-three".