190518531841 has 6 divisors (see below), whose sum is σ = 209412931826. Its totient is φ = 173198665200.

The previous prime is 190518531809. The next prime is 190518531899. The reversal of 190518531841 is 148135815091.

It can be written as a sum of positive squares in only one way, i.e., 187730691841 + 2787840000 = 433279^2 + 52800^2 .

It is not a de Polignac number, because 190518531841 - 2⁵ = 190518531809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190518531791 and 190518531800.

It is not an unprimeable number, because it can be changed into a prime (190518534841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 787266540 + ... + 787266781.

Almost surely, 2^190518531841 is an apocalyptic number.

190518531841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

190518531841 is a deficient number, since it is larger than the sum of its proper divisors (18894399985).

190518531841 is a wasteful number, since it uses less digits than its factorization.

190518531841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574533343 (or 1574533332 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 46.

The spelling of 190518531841 in words is "one hundred ninety billion, five hundred eighteen million, five hundred thirty-one thousand, eight hundred forty-one".