63493000239 has 32 divisors (see below), whose sum is σ = 91036306944. Its totient is φ = 39218600960.

The previous prime is 63493000237. The next prime is 63493000247. The reversal of 63493000239 is 93200039436.

It is a cyclic number.

It is not a de Polignac number, because 63493000239 - 2¹ = 63493000237 is a prime.

It is a super-2 number, since 2×63493000239² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63493000197 and 63493000206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63493000231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2460307 + ... + 2485979.

It is an arithmetic number, because the mean of its divisors is an integer number (2844884592).

Almost surely, 2^63493000239 is an apocalyptic number.

63493000239 is a deficient number, since it is larger than the sum of its proper divisors (27543306705).

63493000239 is a wasteful number, since it uses less digits than its factorization.

63493000239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26447.

The product of its (nonzero) digits is 104976, while the sum is 39.

The spelling of 63493000239 in words is "sixty-three billion, four hundred ninety-three million, two hundred thirty-nine", and thus it is an aban number.