42139324041 has 4 divisors (see below), whose sum is σ = 56185765392. Its totient is φ = 28092882692.

The previous prime is 42139324033. The next prime is 42139324057. The reversal of 42139324041 is 14042393124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42139324041 - 2³ = 42139324033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42139323993 and 42139324011.

It is not an unprimeable number, because it can be changed into a prime (42139304041) 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 3 ways as a sum of consecutive naturals, for example, 7023220671 + ... + 7023220676.

It is an arithmetic number, because the mean of its divisors is an integer number (14046441348).

Almost surely, 2^42139324041 is an apocalyptic number.

It is an amenable number.

42139324041 is a deficient number, since it is larger than the sum of its proper divisors (14046441351).

42139324041 is a wasteful number, since it uses less digits than its factorization.

42139324041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14046441350.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 42139324041 in words is "forty-two billion, one hundred thirty-nine million, three hundred twenty-four thousand, forty-one".