63315773434 has 8 divisors (see below), whose sum is σ = 95013622548. Its totient is φ = 31644565920.

The previous prime is 63315773431. The next prime is 63315773459. The reversal of 63315773434 is 43437751336.

It can be written as a sum of positive squares in 2 ways, for example, as 63033634225 + 282139209 = 251065^2 + 16797^2 .

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

It is not an unprimeable number, because it can be changed into a prime (63315773431) 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, 6654457 + ... + 6663964.

Almost surely, 2^63315773434 is an apocalyptic number.

63315773434 is a deficient number, since it is larger than the sum of its proper divisors (31697849114).

63315773434 is a wasteful number, since it uses less digits than its factorization.

63315773434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13320800.

The product of its digits is 1905120, while the sum is 46.

The spelling of 63315773434 in words is "sixty-three billion, three hundred fifteen million, seven hundred seventy-three thousand, four hundred thirty-four".