42113662543 has 16 divisors (see below), whose sum is σ = 43263956736. Its totient is φ = 40971490560.

The previous prime is 42113662501. The next prime is 42113662553. The reversal of 42113662543 is 34526631124.

It is a cyclic number.

It is not a de Polignac number, because 42113662543 - 2¹³ = 42113654351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42113662553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13847103 + ... + 13850143.

It is an arithmetic number, because the mean of its divisors is an integer number (2703997296).

Almost surely, 2^42113662543 is an apocalyptic number.

42113662543 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42113662543 is a deficient number, since it is larger than the sum of its proper divisors (1150294193).

42113662543 is a wasteful number, since it uses less digits than its factorization.

42113662543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4254.

The product of its digits is 103680, while the sum is 37.

The spelling of 42113662543 in words is "forty-two billion, one hundred thirteen million, six hundred sixty-two thousand, five hundred forty-three".