109109773 has 2 divisors, whose sum is σ = 109109774. Its totient is φ = 109109772.

The previous prime is 109109743. The next prime is 109109783. The reversal of 109109773 is 377901901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108222409 + 887364 = 10403^2 + 942^2 .

It is a cyclic number.

It is not a de Polignac number, because 109109773 - 2⁹ = 109109261 is a prime.

It is a super-2 number, since 2×109109773² = 23809885128223058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109109743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54554886 + 54554887.

It is an arithmetic number, because the mean of its divisors is an integer number (54554887).

Almost surely, 2^109109773 is an apocalyptic number.

It is an amenable number.

109109773 is a deficient number, since it is larger than the sum of its proper divisors (1).

109109773 is an equidigital number, since it uses as much as digits as its factorization.

109109773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11907, while the sum is 37.

The square root of 109109773 is about 10445.5623592031. The cubic root of 109109773 is about 477.8459220492.

The spelling of 109109773 in words is "one hundred nine million, one hundred nine thousand, seven hundred seventy-three".