3138633881099 has 4 divisors (see below), whose sum is σ = 3239880135360. Its totient is φ = 3037387626840.

The previous prime is 3138633881087. The next prime is 3138633881177. The reversal of 3138633881099 is 9901883368313.

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 3138633881099 - 2⁴ = 3138633881083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3138633886099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50623127084 + ... + 50623127145.

It is an arithmetic number, because the mean of its divisors is an integer number (809970033840).

Almost surely, 2^{3138633881099} is an apocalyptic number.

3138633881099 is a deficient number, since it is larger than the sum of its proper divisors (101246254261).

3138633881099 is a wasteful number, since it uses less digits than its factorization.

3138633881099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101246254260.

The product of its (nonzero) digits is 20155392, while the sum is 62.

Adding to 3138633881099 its sum of digits (62), we get a square (3138633881161 = 1771619²).

The spelling of 3138633881099 in words is "three trillion, one hundred thirty-eight billion, six hundred thirty-three million, eight hundred eighty-one thousand, ninety-nine".