1109859929 has 2 divisors, whose sum is σ = 1109859930. Its totient is φ = 1109859928.

The previous prime is 1109859893. The next prime is 1109859937. The reversal of 1109859929 is 9299589011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1001595904 + 108264025 = 31648^2 + 10405^2 .

It is a cyclic number.

It is not a de Polignac number, because 1109859929 - 2¹² = 1109855833 is a prime.

It is not a weakly prime, because it can be changed into another prime (1109852929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554929964 + 554929965.

It is an arithmetic number, because the mean of its divisors is an integer number (554929965).

Almost surely, 2^1109859929 is an apocalyptic number.

It is an amenable number.

1109859929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109859929 is an equidigital number, since it uses as much as digits as its factorization.

1109859929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 53.

The square root of 1109859929 is about 33314.5603152736. The cubic root of 1109859929 is about 1035.3552512601.

The spelling of 1109859929 in words is "one billion, one hundred nine million, eight hundred fifty-nine thousand, nine hundred twenty-nine".