109645699 has 8 divisors (see below), whose sum is σ = 116810640. Its totient is φ = 102560256.

The previous prime is 109645693. The next prime is 109645717. The reversal of 109645699 is 996546901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109645699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109645693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17014 + ... + 22555.

It is an arithmetic number, because the mean of its divisors is an integer number (14601330).

Almost surely, 2^109645699 is an apocalyptic number.

109645699 is a deficient number, since it is larger than the sum of its proper divisors (7164941).

109645699 is a wasteful number, since it uses less digits than its factorization.

109645699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39749.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 109645699 is about 10471.1842214718. The cubic root of 109645699 is about 478.6270066970.

The spelling of 109645699 in words is "one hundred nine million, six hundred forty-five thousand, six hundred ninety-nine".