100051689 has 4 divisors (see below), whose sum is σ = 133402256. Its totient is φ = 66701124.

The previous prime is 100051687. The next prime is 100051723. The reversal of 100051689 is 986150001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 100051689 - 2¹ = 100051687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100051687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16675279 + ... + 16675284.

It is an arithmetic number, because the mean of its divisors is an integer number (33350564).

Almost surely, 2^100051689 is an apocalyptic number.

It is an amenable number.

100051689 is a deficient number, since it is larger than the sum of its proper divisors (33350567).

100051689 is an equidigital number, since it uses as much as digits as its factorization.

100051689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33350566.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 100051689 is about 10002.5841161172. The cubic root of 100051689 is about 464.2388426146.

The spelling of 100051689 in words is "one hundred million, fifty-one thousand, six hundred eighty-nine".