63852637953 has 16 divisors (see below), whose sum is σ = 92790492480. Its totient is φ = 38820508224.

The previous prime is 63852637951. The next prime is 63852637969. The reversal of 63852637953 is 35973625836.

It is not a de Polignac number, because 63852637953 - 2¹ = 63852637951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63852637893 and 63852637902.

It is not an unprimeable number, because it can be changed into a prime (63852637951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9859698 + ... + 9866171.

It is an arithmetic number, because the mean of its divisors is an integer number (5799405780).

Almost surely, 2^63852637953 is an apocalyptic number.

It is an amenable number.

63852637953 is a deficient number, since it is larger than the sum of its proper divisors (28937854527).

63852637953 is a wasteful number, since it uses less digits than its factorization.

63852637953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19725968.

The product of its digits is 24494400, while the sum is 57.

The spelling of 63852637953 in words is "sixty-three billion, eight hundred fifty-two million, six hundred thirty-seven thousand, nine hundred fifty-three".