2050817717138 has 16 divisors (see below), whose sum is σ = 3085782872256. Its totient is φ = 1022227349520.

The previous prime is 2050817717107. The next prime is 2050817717141. The reversal of 2050817717138 is 8317177180502.

It is a super-2 number, since 2×2050817717138² (a number of 25 digits) contains 22 as substring.

It is a Curzon 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, 66395 + ... + 2026337.

It is an arithmetic number, because the mean of its divisors is an integer number (192861429516).

Almost surely, 2^{2050817717138} is an apocalyptic number.

2050817717138 is a deficient number, since it is larger than the sum of its proper divisors (1034965155118).

2050817717138 is a wasteful number, since it uses less digits than its factorization.

2050817717138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961569.

The product of its (nonzero) digits is 658560, while the sum is 50.

The spelling of 2050817717138 in words is "two trillion, fifty billion, eight hundred seventeen million, seven hundred seventeen thousand, one hundred thirty-eight".