42853072871842 has 4 divisors (see below), whose sum is σ = 64279609307766. Its totient is φ = 21426536435920.

The previous prime is 42853072871839. The next prime is 42853072871899. The reversal of 42853072871842 is 24817827035824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 31508362259361 + 11344710612481 = 5613231^2 + 3368191^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10713268217959 + ... + 10713268217962.

Almost surely, 2^{42853072871842} is an apocalyptic number.

42853072871842 is a deficient number, since it is larger than the sum of its proper divisors (21426536435924).

42853072871842 is a wasteful number, since it uses less digits than its factorization.

42853072871842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21426536435923.

The product of its (nonzero) digits is 48168960, while the sum is 61.

The spelling of 42853072871842 in words is "forty-two trillion, eight hundred fifty-three billion, seventy-two million, eight hundred seventy-one thousand, eight hundred forty-two".