190869896669 has 8 divisors (see below), whose sum is σ = 191148851160. Its totient is φ = 190591026496.

The previous prime is 190869896629. The next prime is 190869896681. The reversal of 190869896669 is 966698968091.

It can be written as a sum of positive squares in 4 ways, for example, as 67678022500 + 123191874169 = 260150^2 + 350987^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190869896669 - 2²⁸ = 190601461213 is a prime.

It is a super-2 number, since 2×190869896669² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190869896669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190869896629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5570939 + ... + 5605095.

It is an arithmetic number, because the mean of its divisors is an integer number (23893606395).

Almost surely, 2^190869896669 is an apocalyptic number.

It is an amenable number.

190869896669 is a deficient number, since it is larger than the sum of its proper divisors (278954491).

190869896669 is an equidigital number, since it uses as much as digits as its factorization.

190869896669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42159.

The product of its (nonzero) digits is 544195584, while the sum is 77.

The spelling of 190869896669 in words is "one hundred ninety billion, eight hundred sixty-nine million, eight hundred ninety-six thousand, six hundred sixty-nine".