642082343 has 8 divisors (see below), whose sum is σ = 736880640. Its totient is φ = 548052120.

The previous prime is 642082313. The next prime is 642082361. The reversal of 642082343 is 343280246.

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

It is not a de Polignac number, because 642082343 - 2¹⁶ = 642016807 is a prime.

It is a super-3 number, since 3×642082343³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642082313) 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, 190223 + ... + 193568.

It is an arithmetic number, because the mean of its divisors is an integer number (92110080).

Almost surely, 2^642082343 is an apocalyptic number.

642082343 is a deficient number, since it is larger than the sum of its proper divisors (94798297).

642082343 is a wasteful number, since it uses less digits than its factorization.

642082343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384037.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 642082343 is about 25339.3437760333. The cubic root of 642082343 is about 862.7075041730.

The spelling of 642082343 in words is "six hundred forty-two million, eighty-two thousand, three hundred forty-three".