63427739359 has 4 divisors (see below), whose sum is σ = 64374422104. Its totient is φ = 62481056616.

The previous prime is 63427739351. The next prime is 63427739393. The reversal of 63427739359 is 95393772436.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63427739359 - 2³ = 63427739351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63427739351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473341272 + ... + 473341405.

It is an arithmetic number, because the mean of its divisors is an integer number (16093605526).

Almost surely, 2^63427739359 is an apocalyptic number.

63427739359 is a deficient number, since it is larger than the sum of its proper divisors (946682745).

63427739359 is an equidigital number, since it uses as much as digits as its factorization.

63427739359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946682744.

The product of its digits is 25719120, while the sum is 58.

The spelling of 63427739359 in words is "sixty-three billion, four hundred twenty-seven million, seven hundred thirty-nine thousand, three hundred fifty-nine".