109808953 has 2 divisors, whose sum is σ = 109808954. Its totient is φ = 109808952.

The previous prime is 109808927. The next prime is 109808981. The reversal of 109808953 is 359808901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85877289 + 23931664 = 9267^2 + 4892^2 .

It is a cyclic number.

It is not a de Polignac number, because 109808953 - 2¹⁷ = 109677881 is a prime.

It is not a weakly prime, because it can be changed into another prime (109808653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54904476 + 54904477.

It is an arithmetic number, because the mean of its divisors is an integer number (54904477).

Almost surely, 2^109808953 is an apocalyptic number.

It is an amenable number.

109808953 is a deficient number, since it is larger than the sum of its proper divisors (1).

109808953 is an equidigital number, since it uses as much as digits as its factorization.

109808953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 109808953 is about 10478.9767153096. The cubic root of 109808953 is about 478.8644351468.

The spelling of 109808953 in words is "one hundred nine million, eight hundred eight thousand, nine hundred fifty-three".