42083469991 has 4 divisors (see below), whose sum is σ = 42086310984. Its totient is φ = 42080629000.

The previous prime is 42083469971. The next prime is 42083470069. The reversal of 42083469991 is 19996438024.

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 42083469991 - 2¹⁷ = 42083338919 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 (42083469971) 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, 1398160 + ... + 1427941.

It is an arithmetic number, because the mean of its divisors is an integer number (10521577746).

Almost surely, 2^42083469991 is an apocalyptic number.

42083469991 is a deficient number, since it is larger than the sum of its proper divisors (2840993).

42083469991 is a wasteful number, since it uses less digits than its factorization.

42083469991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840992.

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 42083469991 in words is "forty-two billion, eighty-three million, four hundred sixty-nine thousand, nine hundred ninety-one".