42682639149 has 32 divisors (see below), whose sum is σ = 63601200000. Its totient is φ = 28290097152.

The previous prime is 42682639133. The next prime is 42682639169. The reversal of 42682639149 is 94193628624.

It is not a de Polignac number, because 42682639149 - 2⁴ = 42682639133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42682639095 and 42682639104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42682639169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3618349 + ... + 3630125.

It is an arithmetic number, because the mean of its divisors is an integer number (1987537500).

Almost surely, 2^42682639149 is an apocalyptic number.

It is an amenable number.

42682639149 is a deficient number, since it is larger than the sum of its proper divisors (20918560851).

42682639149 is a wasteful number, since it uses less digits than its factorization.

42682639149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12554 (or 12548 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The spelling of 42682639149 in words is "forty-two billion, six hundred eighty-two million, six hundred thirty-nine thousand, one hundred forty-nine".