1438642048715 has 8 divisors (see below), whose sum is σ = 1726399614528. Its totient is φ = 1150894201600.

The previous prime is 1438642048639. The next prime is 1438642048729. The reversal of 1438642048715 is 5178402468341.

It is a happy number.

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

It is not a de Polignac number, because 1438642048715 - 2²² = 1438637854411 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2099942 + ... + 2699451.

It is an arithmetic number, because the mean of its divisors is an integer number (215799951816).

Almost surely, 2^{1438642048715} is an apocalyptic number.

1438642048715 is a deficient number, since it is larger than the sum of its proper divisors (287757565813).

1438642048715 is an equidigital number, since it uses as much as digits as its factorization.

1438642048715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859349.

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 1438642048715 in words is "one trillion, four hundred thirty-eight billion, six hundred forty-two million, forty-eight thousand, seven hundred fifteen".