38871958043 has 4 divisors (see below), whose sum is σ = 38879266008. Its totient is φ = 38864650080.

The previous prime is 38871958031. The next prime is 38871958117. The reversal of 38871958043 is 34085917883.

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 38871958043 - 2¹⁴ = 38871941659 is a prime.

It is a super-2 number, since 2×38871958043² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38871958043.

It is not an unprimeable number, because it can be changed into a prime (38871958003) 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, 3645998 + ... + 3656643.

It is an arithmetic number, because the mean of its divisors is an integer number (9719816502).

Almost surely, 2^38871958043 is an apocalyptic number.

38871958043 is a deficient number, since it is larger than the sum of its proper divisors (7307965).

38871958043 is an equidigital number, since it uses as much as digits as its factorization.

38871958043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7307964.

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 38871958043 in words is "thirty-eight billion, eight hundred seventy-one million, nine hundred fifty-eight thousand, forty-three".