42942056599657 has 8 divisors (see below), whose sum is σ = 44592717076992. Its totient is φ = 41307985675200.

The previous prime is 42942056599601. The next prime is 42942056599679. The reversal of 42942056599657 is 75699565024924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42942056599657 - 2⁷ = 42942056599529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42942056599657.

It is not an unprimeable number, because it can be changed into a prime (42942056599157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4147382944 + ... + 4147393297.

It is an arithmetic number, because the mean of its divisors is an integer number (5574089634624).

Almost surely, 2^{42942056599657} is an apocalyptic number.

It is an amenable number.

42942056599657 is a deficient number, since it is larger than the sum of its proper divisors (1650660477335).

42942056599657 is a wasteful number, since it uses less digits than its factorization.

42942056599657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8294776439.

The product of its (nonzero) digits is 1469664000, while the sum is 73.

The spelling of 42942056599657 in words is "forty-two trillion, nine hundred forty-two billion, fifty-six million, five hundred ninety-nine thousand, six hundred fifty-seven".