428334186495 has 16 divisors (see below), whose sum is σ = 703857258720. Its totient is φ = 222270712704.

The previous prime is 428334186487. The next prime is 428334186503. The reversal of 428334186495 is 594681433824.

It is an interprime number because it is at equal distance from previous prime (428334186487) and next prime (428334186503).

It is not a de Polignac number, because 428334186495 - 2³ = 428334186487 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385886100 + ... + 385887209.

It is an arithmetic number, because the mean of its divisors is an integer number (43991078670).

Almost surely, 2^428334186495 is an apocalyptic number.

428334186495 is a deficient number, since it is larger than the sum of its proper divisors (275523072225).

428334186495 is a wasteful number, since it uses less digits than its factorization.

428334186495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771773354.

The product of its digits is 19906560, while the sum is 57.

The spelling of 428334186495 in words is "four hundred twenty-eight billion, three hundred thirty-four million, one hundred eighty-six thousand, four hundred ninety-five".