42789770602 has 4 divisors (see below), whose sum is σ = 64184655906. Its totient is φ = 21394885300.

The previous prime is 42789770587. The next prime is 42789770609. The reversal of 42789770602 is 20607798724.

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

It can be written as a sum of positive squares in only one way, i.e., 39402647001 + 3387123601 = 198501^2 + 58199^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42789770602.

It is not an unprimeable number, because it can be changed into a prime (42789770609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10697442649 + ... + 10697442652.

Almost surely, 2^42789770602 is an apocalyptic number.

42789770602 is a deficient number, since it is larger than the sum of its proper divisors (21394885304).

42789770602 is a wasteful number, since it uses less digits than its factorization.

42789770602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21394885303.

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 42789770602 in words is "forty-two billion, seven hundred eighty-nine million, seven hundred seventy thousand, six hundred two".