2938187118449 has 12 divisors (see below), whose sum is σ = 3229843681680. Its totient is φ = 2670859111800.

The previous prime is 2938187118403. The next prime is 2938187118463. The reversal of 2938187118449 is 9448117818392.

It is a de Polignac number, because none of the positive numbers 2^k-2938187118449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2938187117449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 483242 + ... + 2471820.

It is an arithmetic number, because the mean of its divisors is an integer number (269153640140).

Almost surely, 2^{2938187118449} is an apocalyptic number.

It is an amenable number.

2938187118449 is a deficient number, since it is larger than the sum of its proper divisors (291656563231).

2938187118449 is a wasteful number, since it uses less digits than its factorization.

2938187118449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000812 (or 2000801 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 65.

The spelling of 2938187118449 in words is "two trillion, nine hundred thirty-eight billion, one hundred eighty-seven million, one hundred eighteen thousand, four hundred forty-nine".