190518531899 has 2 divisors, whose sum is σ = 190518531900. Its totient is φ = 190518531898.

The previous prime is 190518531809. The next prime is 190518531953. The reversal of 190518531899 is 998135815091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190518531899 - 2³⁶ = 121799055163 is a prime.

It is not a weakly prime, because it can be changed into another prime (190518531809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95259265949 + 95259265950.

It is an arithmetic number, because the mean of its divisors is an integer number (95259265950).

Almost surely, 2^190518531899 is an apocalyptic number.

190518531899 is a deficient number, since it is larger than the sum of its proper divisors (1).

190518531899 is an equidigital number, since it uses as much as digits as its factorization.

190518531899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 59.

The spelling of 190518531899 in words is "one hundred ninety billion, five hundred eighteen million, five hundred thirty-one thousand, eight hundred ninety-nine".