1438068213782 has 4 divisors (see below), whose sum is σ = 2157102320676. Its totient is φ = 719034106890.

The previous prime is 1438068213709. The next prime is 1438068213817. The reversal of 1438068213782 is 2873128608341.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359517053444 + ... + 359517053447.

It is an arithmetic number, because the mean of its divisors is an integer number (539275580169).

Almost surely, 2^{1438068213782} is an apocalyptic number.

1438068213782 is a deficient number, since it is larger than the sum of its proper divisors (719034106894).

1438068213782 is an equidigital number, since it uses as much as digits as its factorization.

1438068213782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719034106893.

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 1438068213782 in words is "one trillion, four hundred thirty-eight billion, sixty-eight million, two hundred thirteen thousand, seven hundred eighty-two".