42231963843 has 16 divisors (see below), whose sum is σ = 65286128640. Its totient is φ = 26930527272.

The previous prime is 42231963833. The next prime is 42231963853. The reversal of 42231963843 is 34836913224.

42231963843 is a `hidden beast` number, since 4 + 2 + 2 + 3 + 1 + 9 + 638 + 4 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (42231963833) and next prime (42231963853).

It is not a de Polignac number, because 42231963843 - 2⁹ = 42231963331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42231963833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34002571 + ... + 34003812.

It is an arithmetic number, because the mean of its divisors is an integer number (4080383040).

Almost surely, 2^42231963843 is an apocalyptic number.

42231963843 is a deficient number, since it is larger than the sum of its proper divisors (23054164797).

42231963843 is a wasteful number, since it uses less digits than its factorization.

42231963843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68006415 (or 68006409 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 42231963843 in words is "forty-two billion, two hundred thirty-one million, nine hundred sixty-three thousand, eight hundred forty-three".