42049999999 has 16 divisors (see below), whose sum is σ = 48874475520. Its totient is φ = 35433777600.

The previous prime is 42049999973. The next prime is 42050000023. The reversal of 42049999999 is 99999994024.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42049999999 is a prime.

It is a Duffinian number.

42049999999 is a modest number, since divided by 999999 gives 42049 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42049999939) 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 15 ways as a sum of consecutive naturals, for example, 34327 + ... + 292024.

It is an arithmetic number, because the mean of its divisors is an integer number (3054654720).

Almost surely, 2^42049999999 is an apocalyptic number.

42049999999 is a deficient number, since it is larger than the sum of its proper divisors (6824475521).

42049999999 is a wasteful number, since it uses less digits than its factorization.

42049999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326670.

The product of its (nonzero) digits is 153055008, while the sum is 73.

The spelling of 42049999999 in words is "forty-two billion, forty-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".