100091909549 has 8 divisors (see below), whose sum is σ = 101123769600. Its totient is φ = 99061835296.

The previous prime is 100091909539. The next prime is 100091909551. The reversal of 100091909549 is 945909190001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100091909549 - 2³⁶ = 31372432813 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 (100091909539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333629 + ... + 558114.

It is an arithmetic number, because the mean of its divisors is an integer number (12640471200).

Almost surely, 2^100091909549 is an apocalyptic number.

It is an amenable number.

100091909549 is a deficient number, since it is larger than the sum of its proper divisors (1031860051).

100091909549 is a wasteful number, since it uses less digits than its factorization.

100091909549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892899.

The product of its (nonzero) digits is 131220, while the sum is 47.

The spelling of 100091909549 in words is "one hundred billion, ninety-one million, nine hundred nine thousand, five hundred forty-nine".