63903690830 has 16 divisors (see below), whose sum is σ = 131459021280. Its totient is φ = 21909836832.

The previous prime is 63903690827. The next prime is 63903690839. The reversal of 63903690830 is 3809630936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63903690839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456454865 + ... + 456455004.

It is an arithmetic number, because the mean of its divisors is an integer number (8216188830).

Almost surely, 2^63903690830 is an apocalyptic number.

63903690830 is an abundant number, since it is smaller than the sum of its proper divisors (67555330450).

63903690830 is a wasteful number, since it uses less digits than its factorization.

63903690830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912909883.

The product of its (nonzero) digits is 629856, while the sum is 47.

The spelling of 63903690830 in words is "sixty-three billion, nine hundred three million, six hundred ninety thousand, eight hundred thirty".