63481439590 has 16 divisors (see below), whose sum is σ = 114306005088. Its totient is φ = 25383817216.

The previous prime is 63481439579. The next prime is 63481439599. The reversal of 63481439590 is 9593418436.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63481439599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1064347 + ... + 1122406.

It is an arithmetic number, because the mean of its divisors is an integer number (7144125318).

Almost surely, 2^63481439590 is an apocalyptic number.

63481439590 is a deficient number, since it is larger than the sum of its proper divisors (50824565498).

63481439590 is a wasteful number, since it uses less digits than its factorization.

63481439590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189663.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 63481439590 in words is "sixty-three billion, four hundred eighty-one million, four hundred thirty-nine thousand, five hundred ninety".