42958193843 has 4 divisors (see below), whose sum is σ = 45485146440. Its totient is φ = 40431241248.

The previous prime is 42958193753. The next prime is 42958193867. The reversal of 42958193843 is 34839185924.

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 42958193843 - 2⁸ = 42958193587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42958193143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263476273 + ... + 1263476306.

It is an arithmetic number, because the mean of its divisors is an integer number (11371286610).

Almost surely, 2^42958193843 is an apocalyptic number.

42958193843 is a deficient number, since it is larger than the sum of its proper divisors (2526952597).

42958193843 is a wasteful number, since it uses less digits than its factorization.

42958193843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526952596.

The product of its digits is 7464960, while the sum is 56.

The spelling of 42958193843 in words is "forty-two billion, nine hundred fifty-eight million, one hundred ninety-three thousand, eight hundred forty-three".