42850750542139 has 4 divisors (see below), whose sum is σ = 43008871393120. Its totient is φ = 42692629691160.

The previous prime is 42850750542091. The next prime is 42850750542191. The reversal of 42850750542139 is 93124505705824.

It is a happy number.

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 42850750542139 - 2⁷ = 42850750542011 is a prime.

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 42850750542139.

It is not an unprimeable number, because it can be changed into a prime (42850750545139) 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, 79060425084 + ... + 79060425625.

It is an arithmetic number, because the mean of its divisors is an integer number (10752217848280).

Almost surely, 2^{42850750542139} is an apocalyptic number.

42850750542139 is a deficient number, since it is larger than the sum of its proper divisors (158120850981).

42850750542139 is a wasteful number, since it uses less digits than its factorization.

42850750542139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158120850980.

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 42850750542139 in words is "forty-two trillion, eight hundred fifty billion, seven hundred fifty million, five hundred forty-two thousand, one hundred thirty-nine".