42739312313 has 8 divisors (see below), whose sum is σ = 44210221440. Its totient is φ = 41285023920.

The previous prime is 42739312289. The next prime is 42739312327. The reversal of 42739312313 is 31321393724.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42739312313 - 2⁶ = 42739312249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42739312393) 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, 4149953 + ... + 4160238.

It is an arithmetic number, because the mean of its divisors is an integer number (5526277680).

Almost surely, 2^42739312313 is an apocalyptic number.

It is an amenable number.

42739312313 is a deficient number, since it is larger than the sum of its proper divisors (1470909127).

42739312313 is a wasteful number, since it uses less digits than its factorization.

42739312313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8310367.

The product of its digits is 81648, while the sum is 38.

The spelling of 42739312313 in words is "forty-two billion, seven hundred thirty-nine million, three hundred twelve thousand, three hundred thirteen".