1439331938005 has 8 divisors (see below), whose sum is σ = 1860059735352. Its totient is φ = 1062891277248.

The previous prime is 1439331937987. The next prime is 1439331938029. The reversal of 1439331938005 is 5008391339341.

It can be written as a sum of positive squares in 4 ways, for example, as 6290710596 + 1433041227409 = 79314^2 + 1197097^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1439331938005 - 2¹¹ = 1439331935957 is a prime.

It is a super-2 number, since 2×1439331938005² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1439331938005.

It is a congruent 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, 11071784074 + ... + 11071784203.

It is an arithmetic number, because the mean of its divisors is an integer number (232507466919).

Almost surely, 2^{1439331938005} is an apocalyptic number.

It is an amenable number.

1439331938005 is a deficient number, since it is larger than the sum of its proper divisors (420727797347).

1439331938005 is a wasteful number, since it uses less digits than its factorization.

1439331938005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22143568295.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The spelling of 1439331938005 in words is "one trillion, four hundred thirty-nine billion, three hundred thirty-one million, nine hundred thirty-eight thousand, five".