63484863550 has 12 divisors (see below), whose sum is σ = 118081846296. Its totient is φ = 25393945400.

The previous prime is 63484863527. The next prime is 63484863593. The reversal of 63484863550 is 5536848436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 634848586 + ... + 634848685.

It is an arithmetic number, because the mean of its divisors is an integer number (9840153858).

Almost surely, 2^63484863550 is an apocalyptic number.

63484863550 is a deficient number, since it is larger than the sum of its proper divisors (54596982746).

63484863550 is a wasteful number, since it uses less digits than its factorization.

63484863550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269697283 (or 1269697278 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 52.

The spelling of 63484863550 in words is "sixty-three billion, four hundred eighty-four million, eight hundred sixty-three thousand, five hundred fifty".