63403926258 has 64 divisors (see below), whose sum is σ = 134088514560. Its totient is φ = 19946380608.

The previous prime is 63403926251. The next prime is 63403926263. The reversal of 63403926258 is 85262930436.

63403926258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (63403926251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10110748 + ... + 10117016.

It is an arithmetic number, because the mean of its divisors is an integer number (2095133040).

Almost surely, 2^63403926258 is an apocalyptic number.

63403926258 is an abundant number, since it is smaller than the sum of its proper divisors (70684588302).

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

63403926258 is a wasteful number, since it uses less digits than its factorization.

63403926258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7263.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 63403926258 in words is "sixty-three billion, four hundred three million, nine hundred twenty-six thousand, two hundred fifty-eight".