42079757137 has 4 divisors (see below), whose sum is σ = 45905189616. Its totient is φ = 38254324660.

The previous prime is 42079757119. The next prime is 42079757141. The reversal of 42079757137 is 73175797024.

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 42079757137 - 2¹⁵ = 42079724369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42079757147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1912716223 + ... + 1912716244.

It is an arithmetic number, because the mean of its divisors is an integer number (11476297404).

Almost surely, 2^42079757137 is an apocalyptic number.

It is an amenable number.

42079757137 is a deficient number, since it is larger than the sum of its proper divisors (3825432479).

42079757137 is a wasteful number, since it uses less digits than its factorization.

42079757137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825432478.

The product of its (nonzero) digits is 2593080, while the sum is 52.

The spelling of 42079757137 in words is "forty-two billion, seventy-nine million, seven hundred fifty-seven thousand, one hundred thirty-seven".