428354303817 has 32 divisors (see below), whose sum is σ = 624228341760. Its totient is φ = 259122600000.

The previous prime is 428354303803. The next prime is 428354303851. The reversal of 428354303817 is 718303453824.

It is not a de Polignac number, because 428354303817 - 2⁴ = 428354303801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428354303017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62722359 + ... + 62729187.

It is an arithmetic number, because the mean of its divisors is an integer number (19507135680).

Almost surely, 2^428354303817 is an apocalyptic number.

It is an amenable number.

428354303817 is a deficient number, since it is larger than the sum of its proper divisors (195874037943).

428354303817 is a wasteful number, since it uses less digits than its factorization.

428354303817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10125.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 428354303817 in words is "four hundred twenty-eight billion, three hundred fifty-four million, three hundred three thousand, eight hundred seventeen".