108671100409 has 9 divisors (see below), whose sum is σ = 110246981509. Its totient is φ = 107117445820.

The previous prime is 108671100323. The next prime is 108671100437. The reversal of 108671100409 is 904001176801.

The square root of 108671100409 is 329653.

It is a perfect power (a square), and thus also a powerful number.

It is a de Polignac number, because none of the positive numbers 2^k-108671100409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108671100469) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23403042 + ... + 23407684.

Almost surely, 2^108671100409 is an apocalyptic number.

108671100409 is the 329653-rd square number.

108671100409 is the 164827-th centered octagonal number.

It is an amenable number.

108671100409 is a deficient number, since it is larger than the sum of its proper divisors (1575881100).

108671100409 is an frugal number, since it uses more digits than its factorization.

108671100409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9428 (or 4714 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 37.

The spelling of 108671100409 in words is "one hundred eight billion, six hundred seventy-one million, one hundred thousand, four hundred nine".