42850660149 has 16 divisors (see below), whose sum is σ = 69253592640. Its totient is φ = 25970096880.

The previous prime is 42850660147. The next prime is 42850660201. The reversal of 42850660149 is 94106605824.

42850660149 is a `hidden beast` number, since 42 + 8 + 506 + 60 + 1 + 49 = 666.

It is not a de Polignac number, because 42850660149 - 2¹ = 42850660147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42850660147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72138862 + ... + 72139455.

It is an arithmetic number, because the mean of its divisors is an integer number (4328349540).

Almost surely, 2^42850660149 is an apocalyptic number.

It is an amenable number.

42850660149 is a deficient number, since it is larger than the sum of its proper divisors (26402932491).

42850660149 is a wasteful number, since it uses less digits than its factorization.

42850660149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144278337 (or 144278331 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 42850660149 in words is "forty-two billion, eight hundred fifty million, six hundred sixty thousand, one hundred forty-nine".