109679234449 has 2 divisors, whose sum is σ = 109679234450. Its totient is φ = 109679234448.

The previous prime is 109679234447. The next prime is 109679234459. The reversal of 109679234449 is 944432976901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100658983824 + 9020250625 = 317268^2 + 94975^2 .

It is a cyclic number.

It is not a de Polignac number, because 109679234449 - 2¹ = 109679234447 is a prime.

Together with 109679234447, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 109679234393 and 109679234402.

It is not a weakly prime, because it can be changed into another prime (109679234447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54839617224 + 54839617225.

It is an arithmetic number, because the mean of its divisors is an integer number (54839617225).

Almost surely, 2^109679234449 is an apocalyptic number.

It is an amenable number.

109679234449 is a deficient number, since it is larger than the sum of its proper divisors (1).

109679234449 is an equidigital number, since it uses as much as digits as its factorization.

109679234449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11757312, while the sum is 58.

The spelling of 109679234449 in words is "one hundred nine billion, six hundred seventy-nine million, two hundred thirty-four thousand, four hundred forty-nine".