63853810802 has 16 divisors (see below), whose sum is σ = 96674497920. Its totient is φ = 31629069648.

The previous prime is 63853810729. The next prime is 63853810817. The reversal of 63853810802 is 20801835836.

It is a super-2 number, since 2×63853810802² (a number of 22 digits) contains 22 as substring.

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, 1665533 + ... + 1703439.

It is an arithmetic number, because the mean of its divisors is an integer number (6042156120).

Almost surely, 2^63853810802 is an apocalyptic number.

63853810802 is a deficient number, since it is larger than the sum of its proper divisors (32820687118).

63853810802 is a wasteful number, since it uses less digits than its factorization.

63853810802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45745.

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 63853810802 in words is "sixty-three billion, eight hundred fifty-three million, eight hundred ten thousand, eight hundred two".