42104344243 has 16 divisors (see below), whose sum is σ = 47465091072. Its totient is φ = 37082052000.

The previous prime is 42104344237. The next prime is 42104344253. The reversal of 42104344243 is 34244340124.

It is a cyclic number.

It is not a de Polignac number, because 42104344243 - 2²⁹ = 41567473331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42104344253) 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, 707143 + ... + 764368.

It is an arithmetic number, because the mean of its divisors is an integer number (2966568192).

Almost surely, 2^42104344243 is an apocalyptic number.

42104344243 is a deficient number, since it is larger than the sum of its proper divisors (5360746829).

42104344243 is a wasteful number, since it uses less digits than its factorization.

42104344243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471626.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 42104344243 its reverse (34244340124), we get a palindrome (76348684367).

The spelling of 42104344243 in words is "forty-two billion, one hundred four million, three hundred forty-four thousand, two hundred forty-three".