109570399 has 4 divisors (see below), whose sum is σ = 113104960. Its totient is φ = 106035840.

The previous prime is 109570387. The next prime is 109570411. The reversal of 109570399 is 993075901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993075901 = 6827 ⋅145463.

It is an interprime number because it is at equal distance from previous prime (109570387) and next prime (109570411).

It is a cyclic number.

It is not a de Polignac number, because 109570399 - 2¹⁷ = 109439327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109570319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1767234 + ... + 1767295.

It is an arithmetic number, because the mean of its divisors is an integer number (28276240).

Almost surely, 2^109570399 is an apocalyptic number.

109570399 is a deficient number, since it is larger than the sum of its proper divisors (3534561).

109570399 is an equidigital number, since it uses as much as digits as its factorization.

109570399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534560.

The product of its (nonzero) digits is 76545, while the sum is 43.

The square root of 109570399 is about 10467.5880220803. The cubic root of 109570399 is about 478.5174147189.

The spelling of 109570399 in words is "one hundred nine million, five hundred seventy thousand, three hundred ninety-nine".