109620449 has 2 divisors, whose sum is σ = 109620450. Its totient is φ = 109620448.

The previous prime is 109620421. The next prime is 109620463. The reversal of 109620449 is 944026901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109411600 + 208849 = 10460^2 + 457^2 .

It is a cyclic number.

It is not a de Polignac number, because 109620449 - 2⁸ = 109620193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109620409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54810224 + 54810225.

It is an arithmetic number, because the mean of its divisors is an integer number (54810225).

Almost surely, 2^109620449 is an apocalyptic number.

It is an amenable number.

109620449 is a deficient number, since it is larger than the sum of its proper divisors (1).

109620449 is an equidigital number, since it uses as much as digits as its factorization.

109620449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 109620449 is about 10469.9784622510. The cubic root of 109620449 is about 478.5902633201.

The spelling of 109620449 in words is "one hundred nine million, six hundred twenty thousand, four hundred forty-nine".