38870042143 has 4 divisors (see below), whose sum is σ = 38962811160. Its totient is φ = 38777273128.

The previous prime is 38870042069. The next prime is 38870042147. The reversal of 38870042143 is 34124007883.

38870042143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 38870042143 - 2¹⁷ = 38869911071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38870042096 and 38870042105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38870042147) 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, 46383880 + ... + 46384717.

It is an arithmetic number, because the mean of its divisors is an integer number (9740702790).

Almost surely, 2^38870042143 is an apocalyptic number.

38870042143 is a deficient number, since it is larger than the sum of its proper divisors (92769017).

38870042143 is an equidigital number, since it uses as much as digits as its factorization.

38870042143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92769016.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 38870042143 in words is "thirty-eight billion, eight hundred seventy million, forty-two thousand, one hundred forty-three".