42645617337 has 4 divisors (see below), whose sum is σ = 56860823120. Its totient is φ = 28430411556.

The previous prime is 42645617303. The next prime is 42645617351. The reversal of 42645617337 is 73371654624.

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 42645617337 - 2⁸ = 42645617081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42645617137) 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, 7107602887 + ... + 7107602892.

It is an arithmetic number, because the mean of its divisors is an integer number (14215205780).

Almost surely, 2^42645617337 is an apocalyptic number.

It is an amenable number.

42645617337 is a deficient number, since it is larger than the sum of its proper divisors (14215205783).

42645617337 is a wasteful number, since it uses less digits than its factorization.

42645617337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14215205782.

The product of its digits is 2540160, while the sum is 48.

The spelling of 42645617337 in words is "forty-two billion, six hundred forty-five million, six hundred seventeen thousand, three hundred thirty-seven".