690117109 has 8 divisors (see below), whose sum is σ = 753899328. Its totient is φ = 626508960.

The previous prime is 690117101. The next prime is 690117149. The reversal of 690117109 is 901711096.

690117109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 690117109 - 2³ = 690117101 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 (690117101) 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, 35152 + ... + 51145.

It is an arithmetic number, because the mean of its divisors is an integer number (94237416).

Almost surely, 2^690117109 is an apocalyptic number.

It is an amenable number.

690117109 is a deficient number, since it is larger than the sum of its proper divisors (63782219).

690117109 is a wasteful number, since it uses less digits than its factorization.

690117109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87035.

The product of its (nonzero) digits is 3402, while the sum is 34.

The square root of 690117109 is about 26270.0801102699. The cubic root of 690117109 is about 883.7055816939.

The spelling of 690117109 in words is "six hundred ninety million, one hundred seventeen thousand, one hundred nine".