100493208009 has 80 divisors (see below), whose sum is σ = 169816046400. Its totient is φ = 58843293696.

The previous prime is 100493207981. The next prime is 100493208017. The reversal of 100493208009 is 900802394001.

It is not a de Polignac number, because 100493208009 - 2⁸ = 100493207753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100493208029) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1724257 + ... + 1781585.

It is an arithmetic number, because the mean of its divisors is an integer number (2122700580).

Almost surely, 2^100493208009 is an apocalyptic number.

100493208009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

100493208009 is a deficient number, since it is larger than the sum of its proper divisors (69322838391).

100493208009 is a wasteful number, since it uses less digits than its factorization.

100493208009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57444 (or 57435 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 100493208009 in words is "one hundred billion, four hundred ninety-three million, two hundred eight thousand, nine".