1438052799 has 4 divisors (see below), whose sum is σ = 1917403736. Its totient is φ = 958701864.

The previous prime is 1438052773. The next prime is 1438052809. The reversal of 1438052799 is 9972508341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9972508341 = 3 ⋅3324169447.

It is not a de Polignac number, because 1438052799 - 2¹³ = 1438044607 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 (1438052719) 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, 239675464 + ... + 239675469.

It is an arithmetic number, because the mean of its divisors is an integer number (479350934).

Almost surely, 2^1438052799 is an apocalyptic number.

1438052799 is a deficient number, since it is larger than the sum of its proper divisors (479350937).

1438052799 is an equidigital number, since it uses as much as digits as its factorization.

1438052799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479350936.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 1438052799 is about 37921.6666168564. Note that the first 4 decimals coincide. The cubic root of 1438052799 is about 1128.7340088658.

The spelling of 1438052799 in words is "one billion, four hundred thirty-eight million, fifty-two thousand, seven hundred ninety-nine".