63470318420 has 12 divisors (see below), whose sum is σ = 133287668724. Its totient is φ = 25388127360.

The previous prime is 63470318419. The next prime is 63470318447. The reversal of 63470318420 is 2481307436.

It can be written as a sum of positive squares in 2 ways, for example, as 23519903044 + 39950415376 = 153362^2 + 199876^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586757941 + ... + 1586757980.

It is an arithmetic number, because the mean of its divisors is an integer number (11107305727).

Almost surely, 2^63470318420 is an apocalyptic number.

It is an amenable number.

63470318420 is an abundant number, since it is smaller than the sum of its proper divisors (69817350304).

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

63470318420 is a wasteful number, since it uses less digits than its factorization.

63470318420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173515930 (or 3173515928 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 63470318420 in words is "sixty-three billion, four hundred seventy million, three hundred eighteen thousand, four hundred twenty".