42705702099 has 6 divisors (see below), whose sum is σ = 61686014156. Its totient is φ = 28470468060.

The previous prime is 42705702047. The next prime is 42705702107. The reversal of 42705702099 is 99020750724.

42705702099 is a `hidden beast` number, since 4 + 2 + 70 + 570 + 2 + 0 + 9 + 9 = 666.

It is not a de Polignac number, because 42705702099 - 2¹³ = 42705693907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42705702029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2372538997 + ... + 2372539014.

Almost surely, 2^42705702099 is an apocalyptic number.

42705702099 is a deficient number, since it is larger than the sum of its proper divisors (18980312057).

42705702099 is a wasteful number, since it uses less digits than its factorization.

42705702099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745078017 (or 4745078014 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 42705702099 in words is "forty-two billion, seven hundred five million, seven hundred two thousand, ninety-nine".