63983702500 has 45 divisors (see below), whose sum is σ = 139947223647. Its totient is φ = 25588422000.

The previous prime is 63983702477. The next prime is 63983702543. The reversal of 63983702500 is 520738936.

The square root of 63983702500 is 252950.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 5016322276 + 58967380224 = 70826^2 + 242832^2 .

It is a super-3 number, since 3×63983702500³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 12644971 + ... + 12650029.

Almost surely, 2^63983702500 is an apocalyptic number.

63983702500 is the 252950-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63983702500

63983702500 is an abundant number, since it is smaller than the sum of its proper divisors (75963521147).

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

63983702500 is an frugal number, since it uses more digits than its factorization.

63983702500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10142 (or 5066 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 63983702500 in words is "sixty-three billion, nine hundred eighty-three million, seven hundred two thousand, five hundred".