109354979 has 2 divisors, whose sum is σ = 109354980. Its totient is φ = 109354978.

The previous prime is 109354967. The next prime is 109355009. The reversal of 109354979 is 979453901.

It is a weak prime.

It is an emirp because it is prime and its reverse (979453901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109354979 - 2²⁴ = 92577763 is a prime.

It is a super-2 number, since 2×109354979² = 23917022864180882, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109354079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54677489 + 54677490.

It is an arithmetic number, because the mean of its divisors is an integer number (54677490).

Almost surely, 2^109354979 is an apocalyptic number.

109354979 is a deficient number, since it is larger than the sum of its proper divisors (1).

109354979 is an equidigital number, since it uses as much as digits as its factorization.

109354979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 109354979 is about 10457.2931009894. The cubic root of 109354979 is about 478.2036138780.

The spelling of 109354979 in words is "one hundred nine million, three hundred fifty-four thousand, nine hundred seventy-nine".