190083764389 has 4 divisors (see below), whose sum is σ = 192043390924. Its totient is φ = 188124137856.

The previous prime is 190083764363. The next prime is 190083764401. The reversal of 190083764389 is 983467380091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57041201889 + 133042562500 = 238833^2 + 364750^2 .

It is a cyclic number.

It is not a de Polignac number, because 190083764389 - 2¹⁹ = 190083240101 is a prime.

It is a super-2 number, since 2×190083764389² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190083764329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979813122 + ... + 979813315.

It is an arithmetic number, because the mean of its divisors is an integer number (48010847731).

Almost surely, 2^190083764389 is an apocalyptic number.

It is an amenable number.

190083764389 is a deficient number, since it is larger than the sum of its proper divisors (1959626535).

190083764389 is an equidigital number, since it uses as much as digits as its factorization.

190083764389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959626534.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 190083764389 in words is "one hundred ninety billion, eighty-three million, seven hundred sixty-four thousand, three hundred eighty-nine".