428107473495073 has 4 divisors (see below), whose sum is σ = 428107601757888. Its totient is φ = 428107345232260.

The previous prime is 428107473495011. The next prime is 428107473495101. The reversal of 428107473495073 is 370594374701824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428107473495073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 428107473494996 and 428107473495014.

It is not an unprimeable number, because it can be changed into a prime (428107473445073) 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 3 ways as a sum of consecutive naturals, for example, 58987261 + ... + 65846122.

It is an arithmetic number, because the mean of its divisors is an integer number (107026900439472).

Almost surely, 2^{428107473495073} is an apocalyptic number.

It is an amenable number.

428107473495073 is a deficient number, since it is larger than the sum of its proper divisors (128262815).

428107473495073 is a wasteful number, since it uses less digits than its factorization.

428107473495073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128262814.

The product of its (nonzero) digits is 142248960, while the sum is 64.

The spelling of 428107473495073 in words is "four hundred twenty-eight trillion, one hundred seven billion, four hundred seventy-three million, four hundred ninety-five thousand, seventy-three".