109980473 has 2 divisors, whose sum is σ = 109980474. Its totient is φ = 109980472.

The previous prime is 109980469. The next prime is 109980511. The reversal of 109980473 is 374089901.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104611984 + 5368489 = 10228^2 + 2317^2 .

It is an emirp because it is prime and its reverse (374089901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109980473 - 2² = 109980469 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 109980473.

It is not a weakly prime, because it can be changed into another prime (109980373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54990236 + 54990237.

It is an arithmetic number, because the mean of its divisors is an integer number (54990237).

Almost surely, 2^109980473 is an apocalyptic number.

It is an amenable number.

109980473 is a deficient number, since it is larger than the sum of its proper divisors (1).

109980473 is an equidigital number, since it uses as much as digits as its factorization.

109980473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 109980473 is about 10487.1575271853. The cubic root of 109980473 is about 479.1136318904.

The spelling of 109980473 in words is "one hundred nine million, nine hundred eighty thousand, four hundred seventy-three".