63863071436 has 24 divisors (see below), whose sum is σ = 114232978944. Its totient is φ = 31228928640.

The previous prime is 63863071427. The next prime is 63863071439. The reversal of 63863071436 is 63417036836.

63863071436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (63863071439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414860 + ... + 547571.

It is an arithmetic number, because the mean of its divisors is an integer number (4759707456).

Almost surely, 2^63863071436 is an apocalyptic number.

It is an amenable number.

63863071436 is a deficient number, since it is larger than the sum of its proper divisors (50369907508).

63863071436 is a wasteful number, since it uses less digits than its factorization.

63863071436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962801 (or 962799 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 63863071436 in words is "sixty-three billion, eight hundred sixty-three million, seventy-one thousand, four hundred thirty-six".