190497080805769 has 16 divisors (see below), whose sum is σ = 194833003706640. Its totient is φ = 186203447516160.

The previous prime is 190497080805677. The next prime is 190497080805781. The reversal of 190497080805769 is 967508080794091.

It can be written as a sum of positive squares in 8 ways, for example, as 9498804132169 + 180998276673600 = 3082013^2 + 13453560^2 .

It is a cyclic number.

It is not a de Polignac number, because 190497080805769 - 2¹³ = 190497080797577 is a prime.

It is a super-2 number, since 2×190497080805769² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190497080805799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5931612 + ... + 20400445.

It is an arithmetic number, because the mean of its divisors is an integer number (12177062731665).

Almost surely, 2^{190497080805769} is an apocalyptic number.

It is an amenable number.

190497080805769 is a deficient number, since it is larger than the sum of its proper divisors (4335922900871).

190497080805769 is a wasteful number, since it uses less digits than its factorization.

190497080805769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26332860.

The product of its (nonzero) digits is 274337280, while the sum is 73.

The spelling of 190497080805769 in words is "one hundred ninety trillion, four hundred ninety-seven billion, eighty million, eight hundred five thousand, seven hundred sixty-nine".