920955004173 has 8 divisors (see below), whose sum is σ = 1364377784000. Its totient is φ = 613970002764.

The previous prime is 920955004153. The next prime is 920955004187. The reversal of 920955004173 is 371400559029.

It is a happy number.

920955004173 is a `hidden beast` number, since 9 + 20 + 9 + 550 + 0 + 4 + 1 + 73 = 666.

It is not a de Polignac number, because 920955004173 - 2¹⁴ = 920954987789 is a prime.

It is a super-2 number, since 2×920955004173² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920955004153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17054722273 + ... + 17054722326.

It is an arithmetic number, because the mean of its divisors is an integer number (170547223000).

Almost surely, 2^920955004173 is an apocalyptic number.

It is an amenable number.

920955004173 is a deficient number, since it is larger than the sum of its proper divisors (443422779827).

920955004173 is a wasteful number, since it uses less digits than its factorization.

920955004173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34109444608 (or 34109444602 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 920955004173 in words is "nine hundred twenty billion, nine hundred fifty-five million, four thousand, one hundred seventy-three".