109873453 has 2 divisors, whose sum is σ = 109873454. Its totient is φ = 109873452.

The previous prime is 109873433. The next prime is 109873459. The reversal of 109873453 is 354378901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108201604 + 1671849 = 10402^2 + 1293^2 .

It is an emirp because it is prime and its reverse (354378901) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109873453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109873459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54936726 + 54936727.

It is an arithmetic number, because the mean of its divisors is an integer number (54936727).

Almost surely, 2^109873453 is an apocalyptic number.

It is an amenable number.

109873453 is a deficient number, since it is larger than the sum of its proper divisors (1).

109873453 is an equidigital number, since it uses as much as digits as its factorization.

109873453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 109873453 is about 10482.0538540879. The cubic root of 109873453 is about 478.9581758657.

The spelling of 109873453 in words is "one hundred nine million, eight hundred seventy-three thousand, four hundred fifty-three".