109472929 has 2 divisors, whose sum is σ = 109472930. Its totient is φ = 109472928.

The previous prime is 109472903. The next prime is 109472947. The reversal of 109472929 is 929274901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72846225 + 36626704 = 8535^2 + 6052^2 .

It is a cyclic number.

It is not a de Polignac number, because 109472929 - 2¹³ = 109464737 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (109472989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54736464 + 54736465.

It is an arithmetic number, because the mean of its divisors is an integer number (54736465).

Almost surely, 2^109472929 is an apocalyptic number.

It is an amenable number.

109472929 is a deficient number, since it is larger than the sum of its proper divisors (1).

109472929 is an equidigital number, since it uses as much as digits as its factorization.

109472929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 109472929 is about 10462.9311858580. The cubic root of 109472929 is about 478.3754818314.

The spelling of 109472929 in words is "one hundred nine million, four hundred seventy-two thousand, nine hundred twenty-nine".