63093681 has 64 divisors (see below), whose sum is σ = 115084800. Its totient is φ = 33343488.

The previous prime is 63093673. The next prime is 63093697. The reversal of 63093681 is 18639036.

It is a happy number.

It is not a de Polignac number, because 63093681 - 2³ = 63093673 is a prime.

It is a super-2 number, since 2×63093681² = 7961625164259522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63093671) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 234415 + ... + 234683.

It is an arithmetic number, because the mean of its divisors is an integer number (1798200).

Almost surely, 2^63093681 is an apocalyptic number.

It is an amenable number.

63093681 is a deficient number, since it is larger than the sum of its proper divisors (51991119).

63093681 is a wasteful number, since it uses less digits than its factorization.

63093681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 63093681 is about 7943.1530892965. The cubic root of 63093681 is about 398.1028517129.

The spelling of 63093681 in words is "sixty-three million, ninety-three thousand, six hundred eighty-one".