63303484391634 has 32 divisors (see below), whose sum is σ = 127396733518080. Its totient is φ = 20969560502352.

The previous prime is 63303484391557. The next prime is 63303484391669. The reversal of 63303484391634 is 43619348430336.

It is a super-2 number, since 2×63303484391634² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6264877 + ... + 12878495.

It is an arithmetic number, because the mean of its divisors is an integer number (3981147922440).

Almost surely, 2^{63303484391634} is an apocalyptic number.

63303484391634 is an abundant number, since it is smaller than the sum of its proper divisors (64093249126446).

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

63303484391634 is a wasteful number, since it uses less digits than its factorization.

63303484391634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6623574.

The product of its (nonzero) digits is 40310784, while the sum is 57.

The spelling of 63303484391634 in words is "sixty-three trillion, three hundred three billion, four hundred eighty-four million, three hundred ninety-one thousand, six hundred thirty-four".