2638843146038 has 24 divisors (see below), whose sum is σ = 4587054816024. Its totient is φ = 1128916851200.

The previous prime is 2638843146001. The next prime is 2638843146041. The reversal of 2638843146038 is 8306413488362.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207515123 + ... + 207527838.

It is an arithmetic number, because the mean of its divisors is an integer number (191127284001).

Almost surely, 2^{2638843146038} is an apocalyptic number.

2638843146038 is a deficient number, since it is larger than the sum of its proper divisors (1948211669986).

2638843146038 is a wasteful number, since it uses less digits than its factorization.

2638843146038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415043008 (or 415042991 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 56.

The spelling of 2638843146038 in words is "two trillion, six hundred thirty-eight billion, eight hundred forty-three million, one hundred forty-six thousand, thirty-eight".