906905068909 has 8 divisors (see below), whose sum is σ = 1036486489280. Its totient is φ = 777329536896.

The previous prime is 906905068903. The next prime is 906905068919. The reversal of 906905068909 is 909860509609.

906905068909 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 a cyclic number.

It is not a de Polignac number, because 906905068909 - 2⁵ = 906905068877 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 (906905068903) 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, 1136964 + ... + 1762525.

It is an arithmetic number, because the mean of its divisors is an integer number (129560811160).

Almost surely, 2^906905068909 is an apocalyptic number.

It is an amenable number.

906905068909 is a deficient number, since it is larger than the sum of its proper divisors (129581420371).

906905068909 is a wasteful number, since it uses less digits than its factorization.

906905068909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944179.

The product of its (nonzero) digits is 9447840, while the sum is 61.

The spelling of 906905068909 in words is "nine hundred six billion, nine hundred five million, sixty-eight thousand, nine hundred nine".