1939800854411 has 16 divisors (see below), whose sum is σ = 2314766784000. Its totient is φ = 1624019307624.

The previous prime is 1939800854393. The next prime is 1939800854437. The reversal of 1939800854411 is 1144580089391.

It is a de Polignac number, because none of the positive numbers 2^k-1939800854411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1939800854471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65745671 + ... + 65775168.

It is an arithmetic number, because the mean of its divisors is an integer number (144672924000).

Almost surely, 2^{1939800854411} is an apocalyptic number.

1939800854411 is a deficient number, since it is larger than the sum of its proper divisors (374965929589).

1939800854411 is an equidigital number, since it uses as much as digits as its factorization.

1939800854411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131520903 (or 131520889 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 53.

The spelling of 1939800854411 in words is "one trillion, nine hundred thirty-nine billion, eight hundred million, eight hundred fifty-four thousand, four hundred eleven".