63707534890 has 12 divisors (see below), whose sum is σ = 114674999526. Its totient is φ = 25482694688.

The previous prime is 63707534887. The next prime is 63707534923. The reversal of 63707534890 is 9843570736.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 17262543769 + 46444991121 = 131387^2 + 215511^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 758262 + ... + 838078.

Almost surely, 2^63707534890 is an apocalyptic number.

63707534890 is a deficient number, since it is larger than the sum of its proper divisors (50967464636).

63707534890 is an frugal number, since it uses more digits than its factorization.

63707534890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159641 (or 79824 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 63707534890 in words is "sixty-three billion, seven hundred seven million, five hundred thirty-four thousand, eight hundred ninety".