426003389881785 has 16 divisors (see below), whose sum is σ = 757339359790080. Its totient is φ = 227201807936880.

The previous prime is 426003389881753. The next prime is 426003389881801. The reversal of 426003389881785 is 587188983300624.

426003389881785 is a `hidden beast` number, since 4 + 2 + 60 + 0 + 338 + 98 + 81 + 78 + 5 = 666.

It is not a de Polignac number, because 426003389881785 - 2⁵ = 426003389881753 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1577790332761 + ... + 1577790333030.

It is an arithmetic number, because the mean of its divisors is an integer number (47333709986880).

It is a 1-persistent number, because it is pandigital, but 2⋅426003389881785 = 852006779763570 is not.

Almost surely, 2^{426003389881785} is an apocalyptic number.

426003389881785 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

426003389881785 is a deficient number, since it is larger than the sum of its proper divisors (331335969908295).

426003389881785 is a wasteful number, since it uses less digits than its factorization.

426003389881785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155580665805 (or 3155580665799 counting only the distinct ones).

The product of its (nonzero) digits is 557383680, while the sum is 72.

The spelling of 426003389881785 in words is "four hundred twenty-six trillion, three billion, three hundred eighty-nine million, eight hundred eighty-one thousand, seven hundred eighty-five".