920838421713 has 8 divisors (see below), whose sum is σ = 1403182356928. Its totient is φ = 526193383824.

The previous prime is 920838421693. The next prime is 920838421717. The reversal of 920838421713 is 317124838029.

It is a happy number.

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

It is not a de Polignac number, because 920838421713 - 2⁵ = 920838421681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (920838421717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21924724306 + ... + 21924724347.

It is an arithmetic number, because the mean of its divisors is an integer number (175397794616).

Almost surely, 2^920838421713 is an apocalyptic number.

It is an amenable number.

920838421713 is a deficient number, since it is larger than the sum of its proper divisors (482343935215).

920838421713 is a wasteful number, since it uses less digits than its factorization.

920838421713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43849448663.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 920838421713 in words is "nine hundred twenty billion, eight hundred thirty-eight million, four hundred twenty-one thousand, seven hundred thirteen".