6381639607900 has 36 divisors (see below), whose sum is σ = 13893266022328. Its totient is φ = 2544340991040.

The previous prime is 6381639607867. The next prime is 6381639607909. The reversal of 6381639607900 is 97069361836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6381639607909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103904799 + ... + 103966198.

Almost surely, 2^{6381639607900} is an apocalyptic number.

It is an amenable number.

6381639607900 is an abundant number, since it is smaller than the sum of its proper divisors (7511626414428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6381639607900 is a wasteful number, since it uses less digits than its factorization.

6381639607900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207871318 (or 207871311 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 58.

The spelling of 6381639607900 in words is "six trillion, three hundred eighty-one billion, six hundred thirty-nine million, six hundred seven thousand, nine hundred".