42813191539 has 8 divisors (see below), whose sum is σ = 43758159120. Its totient is φ = 41876066400.

The previous prime is 42813191501. The next prime is 42813191623. The reversal of 42813191539 is 93519131824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42813191539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42813191039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1949572 + ... + 1971409.

It is an arithmetic number, because the mean of its divisors is an integer number (5469769890).

Almost surely, 2^42813191539 is an apocalyptic number.

42813191539 is a deficient number, since it is larger than the sum of its proper divisors (944967581).

42813191539 is a wasteful number, since it uses less digits than its factorization.

42813191539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3921221.

The product of its digits is 233280, while the sum is 46.

The spelling of 42813191539 in words is "forty-two billion, eight hundred thirteen million, one hundred ninety-one thousand, five hundred thirty-nine".