63481481321870 has 16 divisors (see below), whose sum is σ = 116139890419488. Its totient is φ = 24976320519840.

The previous prime is 63481481321861. The next prime is 63481481321917. The reversal of 63481481321870 is 7812318418436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52034000474 + ... + 52034001693.

It is an arithmetic number, because the mean of its divisors is an integer number (7258743151218).

Almost surely, 2^{63481481321870} is an apocalyptic number.

63481481321870 is a deficient number, since it is larger than the sum of its proper divisors (52658409097618).

63481481321870 is a wasteful number, since it uses less digits than its factorization.

63481481321870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104068002235.

The product of its (nonzero) digits is 6193152, while the sum is 56.

The spelling of 63481481321870 in words is "sixty-three trillion, four hundred eighty-one billion, four hundred eighty-one million, three hundred twenty-one thousand, eight hundred seventy".