42129583799 has 4 divisors (see below), whose sum is σ = 42148709736. Its totient is φ = 42110457864.

The previous prime is 42129583789. The next prime is 42129583813. The reversal of 42129583799 is 99738592124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42129583799 - 2⁸ = 42129583543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42129583729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9559664 + ... + 9564069.

It is an arithmetic number, because the mean of its divisors is an integer number (10537177434).

Almost surely, 2^42129583799 is an apocalyptic number.

42129583799 is a deficient number, since it is larger than the sum of its proper divisors (19125937).

42129583799 is a wasteful number, since it uses less digits than its factorization.

42129583799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19125936.

The product of its digits is 9797760, while the sum is 59.

The spelling of 42129583799 in words is "forty-two billion, one hundred twenty-nine million, five hundred eighty-three thousand, seven hundred ninety-nine".