109375056449 has 2 divisors, whose sum is σ = 109375056450. Its totient is φ = 109375056448.

The previous prime is 109375056403. The next prime is 109375056457. The reversal of 109375056449 is 944650573901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91721151025 + 17653905424 = 302855^2 + 132868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109375056449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 109375056449.

It is not a weakly prime, because it can be changed into another prime (109375056649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54687528224 + 54687528225.

It is an arithmetic number, because the mean of its divisors is an integer number (54687528225).

Almost surely, 2^109375056449 is an apocalyptic number.

It is an amenable number.

109375056449 is a deficient number, since it is larger than the sum of its proper divisors (1).

109375056449 is an equidigital number, since it uses as much as digits as its factorization.

109375056449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 109375056449 in words is "one hundred nine billion, three hundred seventy-five million, fifty-six thousand, four hundred forty-nine".