64626463 has 12 divisors (see below), whose sum is σ = 72693544. Its totient is φ = 57380400.

The previous prime is 64626461. The next prime is 64626479. The reversal of 64626463 is 36462646.

It is not a de Polignac number, because 64626463 - 2¹ = 64626461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64626461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1008 + ... + 11413.

Almost surely, 2^64626463 is an apocalyptic number.

64626463 is a deficient number, since it is larger than the sum of its proper divisors (8067081).

64626463 is a wasteful number, since it uses less digits than its factorization.

64626463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12486 (or 12475 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

The square root of 64626463 is about 8039.0585891633. The cubic root of 64626463 is about 401.3008958385.

The spelling of 64626463 in words is "sixty-four million, six hundred twenty-six thousand, four hundred sixty-three".