2439781342 has 8 divisors (see below), whose sum is σ = 3748932432. Its totient is φ = 1190137200.

The previous prime is 2439781271. The next prime is 2439781361. The reversal of 2439781342 is 2431879342.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14876634 + ... + 14876797.

It is an arithmetic number, because the mean of its divisors is an integer number (468616554).

Almost surely, 2^2439781342 is an apocalyptic number.

2439781342 is a deficient number, since it is larger than the sum of its proper divisors (1309151090).

2439781342 is a wasteful number, since it uses less digits than its factorization.

2439781342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29753474.

The product of its digits is 290304, while the sum is 43.

The square root of 2439781342 is about 49394.1427904160. The cubic root of 2439781342 is about 1346.2228836074. Note that the first 3 decimals are identical.

The spelling of 2439781342 in words is "two billion, four hundred thirty-nine million, seven hundred eighty-one thousand, three hundred forty-two".