1838705172050 has 24 divisors (see below), whose sum is σ = 3420044680512. Its totient is φ = 735470658000.

The previous prime is 1838705172011. The next prime is 1838705172119. The reversal of 1838705172050 is 502715078381.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1838705171986 and 1838705172004.

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, 3455315 + ... + 3951785.

It is an arithmetic number, because the mean of its divisors is an integer number (142501861688).

Almost surely, 2^{1838705172050} is an apocalyptic number.

1838705172050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1838705172050 is a deficient number, since it is larger than the sum of its proper divisors (1581339508462).

1838705172050 is a wasteful number, since it uses less digits than its factorization.

1838705172050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570554 (or 570549 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 47.

The spelling of 1838705172050 in words is "one trillion, eight hundred thirty-eight billion, seven hundred five million, one hundred seventy-two thousand, fifty".