63331389458 has 8 divisors (see below), whose sum is σ = 95183720460. Its totient is φ = 31603482640.

The previous prime is 63331389449. The next prime is 63331389461. The reversal of 63331389458 is 85498313336.

It can be written as a sum of positive squares in 2 ways, for example, as 63175314409 + 156075049 = 251347^2 + 12493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 31104773 + ... + 31106808.

Almost surely, 2^63331389458 is an apocalyptic number.

63331389458 is a deficient number, since it is larger than the sum of its proper divisors (31852331002).

63331389458 is a wasteful number, since it uses less digits than its factorization.

63331389458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62212092.

The product of its digits is 5598720, while the sum is 53.

The spelling of 63331389458 in words is "sixty-three billion, three hundred thirty-one million, three hundred eighty-nine thousand, four hundred fifty-eight".