42843448431 has 24 divisors (see below), whose sum is σ = 70786212224. Its totient is φ = 24461021520.

The previous prime is 42843448423. The next prime is 42843448469. The reversal of 42843448431 is 13484434824.

It is not a de Polignac number, because 42843448431 - 2³ = 42843448423 is a prime.

It is a super-2 number, since 2×42843448431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42843448411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216601 + ... + 364146.

Almost surely, 2^42843448431 is an apocalyptic number.

42843448431 is a deficient number, since it is larger than the sum of its proper divisors (27942763793).

42843448431 is a wasteful number, since it uses less digits than its factorization.

42843448431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581931 (or 581928 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 45.

The spelling of 42843448431 in words is "forty-two billion, eight hundred forty-three million, four hundred forty-eight thousand, four hundred thirty-one".