42134263843 has 16 divisors (see below), whose sum is σ = 49469688576. Its totient is φ = 35134596000.

The previous prime is 42134263841. The next prime is 42134263861. The reversal of 42134263843 is 34836243124.

It is not a de Polignac number, because 42134263843 - 2¹ = 42134263841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42134263796 and 42134263805.

It is not an unprimeable number, because it can be changed into a prime (42134263841) 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, 203296 + ... + 354397.

It is an arithmetic number, because the mean of its divisors is an integer number (3091855536).

Almost surely, 2^42134263843 is an apocalyptic number.

42134263843 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42134263843 is a deficient number, since it is larger than the sum of its proper divisors (7335424733).

42134263843 is a wasteful number, since it uses less digits than its factorization.

42134263843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557994.

The product of its digits is 331776, while the sum is 40.

The spelling of 42134263843 in words is "forty-two billion, one hundred thirty-four million, two hundred sixty-three thousand, eight hundred forty-three".