920921713 has 8 divisors (see below), whose sum is σ = 941086080. Its totient is φ = 900781200.

The previous prime is 920921711. The next prime is 920921717. The reversal of 920921713 is 317129029.

It is a happy number.

920921713 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 920921713 - 2¹ = 920921711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (920921711) 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, 88063 + ... + 97963.

It is an arithmetic number, because the mean of its divisors is an integer number (117635760).

Almost surely, 2^920921713 is an apocalyptic number.

It is an amenable number.

920921713 is a deficient number, since it is larger than the sum of its proper divisors (20164367).

920921713 is a wasteful number, since it uses less digits than its factorization.

920921713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11927.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 920921713 is about 30346.6919613984. The cubic root of 920921713 is about 972.9135177257.

The spelling of 920921713 in words is "nine hundred twenty million, nine hundred twenty-one thousand, seven hundred thirteen".