42187282049 has 8 divisors (see below), whose sum is σ = 46042093440. Its totient is φ = 38335738000.

The previous prime is 42187282043. The next prime is 42187282079. The reversal of 42187282049 is 94028278124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42187282049 - 2⁸ = 42187281793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42187281994 and 42187282012.

It is not an unprimeable number, because it can be changed into a prime (42187282043) 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 7 ways as a sum of consecutive naturals, for example, 789794 + ... + 841515.

It is an arithmetic number, because the mean of its divisors is an integer number (5755261680).

Almost surely, 2^42187282049 is an apocalyptic number.

It is an amenable number.

42187282049 is a deficient number, since it is larger than the sum of its proper divisors (3854811391).

42187282049 is a wasteful number, since it uses less digits than its factorization.

42187282049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633671.

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 42187282049 in words is "forty-two billion, one hundred eighty-seven million, two hundred eighty-two thousand, forty-nine".