42634143999 has 6 divisors (see below), whose sum is σ = 61582652456. Its totient is φ = 28422762660.

The previous prime is 42634143997. The next prime is 42634144043. The reversal of 42634143999 is 99934143624.

It is not a de Polignac number, because 42634143999 - 2¹ = 42634143997 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 (42634143997) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2368563547 + ... + 2368563564.

Almost surely, 2^42634143999 is an apocalyptic number.

42634143999 is a deficient number, since it is larger than the sum of its proper divisors (18948508457).

42634143999 is a wasteful number, since it uses less digits than its factorization.

42634143999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737127117 (or 4737127114 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 54.

The spelling of 42634143999 in words is "forty-two billion, six hundred thirty-four million, one hundred forty-three thousand, nine hundred ninety-nine".