63423359490 has 32 divisors (see below), whose sum is σ = 152224422336. Its totient is φ = 16911967040.

The previous prime is 63423359459. The next prime is 63423359491. The reversal of 63423359490 is 9495332436.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63423359491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631645 + ... + 725135.

It is an arithmetic number, because the mean of its divisors is an integer number (4757013198).

Almost surely, 2^63423359490 is an apocalyptic number.

63423359490 is an abundant number, since it is smaller than the sum of its proper divisors (88801062846).

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

63423359490 is a wasteful number, since it uses less digits than its factorization.

63423359490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116114.

The product of its (nonzero) digits is 2099520, while the sum is 48.

The spelling of 63423359490 in words is "sixty-three billion, four hundred twenty-three million, three hundred fifty-nine thousand, four hundred ninety".