66465463 has 2 divisors, whose sum is σ = 66465464. Its totient is φ = 66465462.

The previous prime is 66465433. The next prime is 66465481. The reversal of 66465463 is 36456466.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66465463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66465433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33232731 + 33232732.

It is an arithmetic number, because the mean of its divisors is an integer number (33232732).

Almost surely, 2^66465463 is an apocalyptic number.

66465463 is a deficient number, since it is larger than the sum of its proper divisors (1).

66465463 is an equidigital number, since it uses as much as digits as its factorization.

66465463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 40.

The square root of 66465463 is about 8152.6353407963. The cubic root of 66465463 is about 405.0718015257.

The spelling of 66465463 in words is "sixty-six million, four hundred sixty-five thousand, four hundred sixty-three".