42812951485439 has 4 divisors (see below), whose sum is σ = 42813140787456. Its totient is φ = 42812762183424.

The previous prime is 42812951485399. The next prime is 42812951485459. The reversal of 42812951485439 is 93458415921824.

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 42812951485439 - 2³² = 42808656518143 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 (42812951485459) 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, 94311359 + ... + 94764224.

It is an arithmetic number, because the mean of its divisors is an integer number (10703285196864).

Almost surely, 2^{42812951485439} is an apocalyptic number.

42812951485439 is a deficient number, since it is larger than the sum of its proper divisors (189302017).

42812951485439 is a wasteful number, since it uses less digits than its factorization.

42812951485439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189302016.

The product of its digits is 99532800, while the sum is 65.

The spelling of 42812951485439 in words is "forty-two trillion, eight hundred twelve billion, nine hundred fifty-one million, four hundred eighty-five thousand, four hundred thirty-nine".