402101388863 has 12 divisors (see below), whose sum is σ = 420408769368. Its totient is φ = 384559615440.

The previous prime is 402101388859. The next prime is 402101388869. The reversal of 402101388863 is 368883101204.

It is not a de Polignac number, because 402101388863 - 2² = 402101388859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402101388869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3604148 + ... + 3714038.

It is an arithmetic number, because the mean of its divisors is an integer number (35034064114).

Almost surely, 2^402101388863 is an apocalyptic number.

402101388863 is a deficient number, since it is larger than the sum of its proper divisors (18307380505).

402101388863 is a wasteful number, since it uses less digits than its factorization.

402101388863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116854 (or 116831 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 402101388863 in words is "four hundred two billion, one hundred one million, three hundred eighty-eight thousand, eight hundred sixty-three".