428055292693 has 16 divisors (see below), whose sum is σ = 504198351360. Its totient is φ = 355803549696.

The previous prime is 428055292681. The next prime is 428055292697. The reversal of 428055292693 is 396292550824.

It is a de Polignac number, because none of the positive numbers 2^k-428055292693 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 (428055292697) 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 15 ways as a sum of consecutive naturals, for example, 5932396 + ... + 6004117.

It is an arithmetic number, because the mean of its divisors is an integer number (31512396960).

Almost surely, 2^428055292693 is an apocalyptic number.

It is an amenable number.

428055292693 is a deficient number, since it is larger than the sum of its proper divisors (76143058667).

428055292693 is a wasteful number, since it uses less digits than its factorization.

428055292693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11936676.

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 428055292693 in words is "four hundred twenty-eight billion, fifty-five million, two hundred ninety-two thousand, six hundred ninety-three".