100495218309 has 16 divisors (see below), whose sum is σ = 136392864000. Its totient is φ = 65805981696.

The previous prime is 100495218181. The next prime is 100495218311. The reversal of 100495218309 is 903812594001.

It is not a de Polignac number, because 100495218309 - 2⁷ = 100495218181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100495218359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1052784 + ... + 1144265.

It is an arithmetic number, because the mean of its divisors is an integer number (8524554000).

Almost surely, 2^100495218309 is an apocalyptic number.

It is an amenable number.

100495218309 is a deficient number, since it is larger than the sum of its proper divisors (35897645691).

100495218309 is a wasteful number, since it uses less digits than its factorization.

100495218309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197324.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 100495218309 in words is "one hundred billion, four hundred ninety-five million, two hundred eighteen thousand, three hundred nine".