1438979082367 has 4 divisors (see below), whose sum is σ = 1501543390320. Its totient is φ = 1376414774416.

The previous prime is 1438979082337. The next prime is 1438979082371. The reversal of 1438979082367 is 7632809798341.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1438979082367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438979082337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31282153942 + ... + 31282153987.

It is an arithmetic number, because the mean of its divisors is an integer number (375385847580).

Almost surely, 2^{1438979082367} is an apocalyptic number.

1438979082367 is a deficient number, since it is larger than the sum of its proper divisors (62564307953).

1438979082367 is an equidigital number, since it uses as much as digits as its factorization.

1438979082367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62564307952.

The product of its (nonzero) digits is 109734912, while the sum is 67.

The spelling of 1438979082367 in words is "one trillion, four hundred thirty-eight billion, nine hundred seventy-nine million, eighty-two thousand, three hundred sixty-seven".