42134364243 has 16 divisors (see below), whose sum is σ = 62669980800. Its totient is φ = 27977661000.

The previous prime is 42134364241. The next prime is 42134364301. The reversal of 42134364243 is 34246343124.

42134364243 is a `hidden beast` number, since 4 + 2 + 1 + 3 + 4 + 3 + 642 + 4 + 3 = 666.

It is not a de Polignac number, because 42134364243 - 2¹ = 42134364241 is a prime.

It is a super-3 number, since 3×42134364243³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42134364198 and 42134364207.

It is not an unprimeable number, because it can be changed into a prime (42134364241) 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, 3101853 + ... + 3115406.

It is an arithmetic number, because the mean of its divisors is an integer number (3916873800).

Almost surely, 2^42134364243 is an apocalyptic number.

42134364243 is a deficient number, since it is larger than the sum of its proper divisors (20535616557).

42134364243 is a wasteful number, since it uses less digits than its factorization.

42134364243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6217519 (or 6217513 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

The spelling of 42134364243 in words is "forty-two billion, one hundred thirty-four million, three hundred sixty-four thousand, two hundred forty-three".