63852353843438 has 16 divisors (see below), whose sum is σ = 97830978975360. Its totient is φ = 31246795110456.

The previous prime is 63852353843387. The next prime is 63852353843449. The reversal of 63852353843438 is 83434835325836.

It is a super-2 number, since 2×63852353843438² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191871106 + ... + 1191924677.

It is an arithmetic number, because the mean of its divisors is an integer number (6114436185960).

Almost surely, 2^{63852353843438} is an apocalyptic number.

63852353843438 is a deficient number, since it is larger than the sum of its proper divisors (33978625131922).

63852353843438 is a wasteful number, since it uses less digits than its factorization.

63852353843438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383796071.

The product of its digits is 597196800, while the sum is 65.

The spelling of 63852353843438 in words is "sixty-three trillion, eight hundred fifty-two billion, three hundred fifty-three million, eight hundred forty-three thousand, four hundred thirty-eight".