42833819381 has 4 divisors (see below), whose sum is σ = 42863587200. Its totient is φ = 42804051564.

The previous prime is 42833819359. The next prime is 42833819389. The reversal of 42833819381 is 18391833824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42833819381 - 2¹⁴ = 42833802997 is a prime.

It is a super-2 number, since 2×42833819381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42833819389) 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, 14881751 + ... + 14884628.

It is an arithmetic number, because the mean of its divisors is an integer number (10715896800).

Almost surely, 2^42833819381 is an apocalyptic number.

It is an amenable number.

42833819381 is a deficient number, since it is larger than the sum of its proper divisors (29767819).

42833819381 is a wasteful number, since it uses less digits than its factorization.

42833819381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29767818.

The product of its digits is 995328, while the sum is 50.

The spelling of 42833819381 in words is "forty-two billion, eight hundred thirty-three million, eight hundred nineteen thousand, three hundred eighty-one".