63640783500852 has 12 divisors (see below), whose sum is σ = 148495161502016. Its totient is φ = 21213594500280.

The previous prime is 63640783500851. The next prime is 63640783500871. The reversal of 63640783500852 is 25800538704636.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×63640783500852² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 63640783500792 and 63640783500801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63640783500851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2651699312524 + ... + 2651699312547.

Almost surely, 2^{63640783500852} is an apocalyptic number.

It is an amenable number.

63640783500852 is an abundant number, since it is smaller than the sum of its proper divisors (84854378001164).

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

63640783500852 is a wasteful number, since it uses less digits than its factorization.

63640783500852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5303398625078 (or 5303398625076 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 57.

The spelling of 63640783500852 in words is "sixty-three trillion, six hundred forty billion, seven hundred eighty-three million, five hundred thousand, eight hundred fifty-two".