2038365466639 has 4 divisors (see below), whose sum is σ = 2145647859640. Its totient is φ = 1931083073640.

The previous prime is 2038365466597. The next prime is 2038365466721. The reversal of 2038365466639 is 9366645638302.

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

It is a cyclic number.

It is not a de Polignac number, because 2038365466639 - 2¹³ = 2038365458447 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 (2038365166639) 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, 53641196472 + ... + 53641196509.

It is an arithmetic number, because the mean of its divisors is an integer number (536411964910).

Almost surely, 2^{2038365466639} is an apocalyptic number.

2038365466639 is a deficient number, since it is larger than the sum of its proper divisors (107282393001).

2038365466639 is a wasteful number, since it uses less digits than its factorization.

2038365466639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107282393000.

The product of its (nonzero) digits is 100776960, while the sum is 61.

The spelling of 2038365466639 in words is "two trillion, thirty-eight billion, three hundred sixty-five million, four hundred sixty-six thousand, six hundred thirty-nine".