42465165737 has 4 divisors (see below), whose sum is σ = 44700174480. Its totient is φ = 40230156996.

The previous prime is 42465165703. The next prime is 42465165763. The reversal of 42465165737 is 73756156424.

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 not a de Polignac number, because 42465165737 - 2⁸ = 42465165481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42465165437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117504343 + ... + 1117504380.

It is an arithmetic number, because the mean of its divisors is an integer number (11175043620).

Almost surely, 2^42465165737 is an apocalyptic number.

It is an amenable number.

42465165737 is a deficient number, since it is larger than the sum of its proper divisors (2235008743).

42465165737 is a wasteful number, since it uses less digits than its factorization.

42465165737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235008742.

The product of its digits is 4233600, while the sum is 50.

The spelling of 42465165737 in words is "forty-two billion, four hundred sixty-five million, one hundred sixty-five thousand, seven hundred thirty-seven".