42350664542 has 4 divisors (see below), whose sum is σ = 63525996816. Its totient is φ = 21175332270.

The previous prime is 42350664523. The next prime is 42350664553. The reversal of 42350664542 is 24546605324.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42350664542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10587666134 + ... + 10587666137.

It is an arithmetic number, because the mean of its divisors is an integer number (15881499204).

Almost surely, 2^42350664542 is an apocalyptic number.

42350664542 is a deficient number, since it is larger than the sum of its proper divisors (21175332274).

42350664542 is a wasteful number, since it uses less digits than its factorization.

42350664542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21175332273.

The product of its (nonzero) digits is 691200, while the sum is 41.

The spelling of 42350664542 in words is "forty-two billion, three hundred fifty million, six hundred sixty-four thousand, five hundred forty-two".