63303420834 has 40 divisors (see below), whose sum is σ = 145306241388. Its totient is φ = 20586476160.

The previous prime is 63303420833. The next prime is 63303420841. The reversal of 63303420834 is 43802430336.

It can be written as a sum of positive squares in 2 ways, for example, as 48354690609 + 14948730225 = 219897^2 + 122265^2 .

It is not an unprimeable number, because it can be changed into a prime (63303420833) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4758747 + ... + 4772030.

Almost surely, 2^63303420834 is an apocalyptic number.

63303420834 is an abundant number, since it is smaller than the sum of its proper divisors (82002820554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63303420834 is a wasteful number, since it uses less digits than its factorization.

63303420834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9530832 (or 9530823 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 63303420834 in words is "sixty-three billion, three hundred three million, four hundred twenty thousand, eight hundred thirty-four".