100909379 has 2 divisors, whose sum is σ = 100909380. Its totient is φ = 100909378.

The previous prime is 100909373. The next prime is 100909381. The reversal of 100909379 is 973909001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100909379 - 2⁴ = 100909363 is a prime.

Together with 100909381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (100909373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50454689 + 50454690.

It is an arithmetic number, because the mean of its divisors is an integer number (50454690).

Almost surely, 2^100909379 is an apocalyptic number.

100909379 is a deficient number, since it is larger than the sum of its proper divisors (1).

100909379 is an equidigital number, since it uses as much as digits as its factorization.

100909379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 100909379 is about 10045.3660460931. The cubic root of 100909379 is about 465.5616276319.

The spelling of 100909379 in words is "one hundred million, nine hundred nine thousand, three hundred seventy-nine".