920628897429 has 8 divisors (see below), whose sum is σ = 1227709566400. Its totient is φ = 613650413376.

The previous prime is 920628897389. The next prime is 920628897449. The reversal of 920628897429 is 924798826029.

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

It is not a de Polignac number, because 920628897429 - 2¹⁹ = 920628373141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 920628897429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (920628897449) 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, 25525204 + ... + 25561245.

It is an arithmetic number, because the mean of its divisors is an integer number (153463695800).

Almost surely, 2^920628897429 is an apocalyptic number.

It is an amenable number.

920628897429 is a deficient number, since it is larger than the sum of its proper divisors (307080668971).

920628897429 is a wasteful number, since it uses less digits than its factorization.

920628897429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51092459.

The product of its (nonzero) digits is 62705664, while the sum is 66.

The spelling of 920628897429 in words is "nine hundred twenty billion, six hundred twenty-eight million, eight hundred ninety-seven thousand, four hundred twenty-nine".