2138788542050 has 24 divisors (see below), whose sum is σ = 3980679072912. Its totient is φ = 854970818000.

The previous prime is 2138788541971. The next prime is 2138788542083. The reversal of 2138788542050 is 502458878312.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2138788541983 and 2138788542001.

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, 13535636 + ... + 13692735.

It is an arithmetic number, because the mean of its divisors is an integer number (165861628038).

Almost surely, 2^{2138788542050} is an apocalyptic number.

2138788542050 is a deficient number, since it is larger than the sum of its proper divisors (1841890530862).

2138788542050 is a wasteful number, since it uses less digits than its factorization.

2138788542050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27229954 (or 27229949 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 53.

The spelling of 2138788542050 in words is "two trillion, one hundred thirty-eight billion, seven hundred eighty-eight million, five hundred forty-two thousand, fifty".