190725572069 has 2 divisors, whose sum is σ = 190725572070. Its totient is φ = 190725572068.

The previous prime is 190725572039. The next prime is 190725572131. The reversal of 190725572069 is 960275527091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185532640225 + 5192931844 = 430735^2 + 72062^2 .

It is a cyclic number.

It is not a de Polignac number, because 190725572069 - 2¹² = 190725567973 is a prime.

It is a super-2 number, since 2×190725572069² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 190725572069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190725572029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95362786034 + 95362786035.

It is an arithmetic number, because the mean of its divisors is an integer number (95362786035).

Almost surely, 2^190725572069 is an apocalyptic number.

It is an amenable number.

190725572069 is a deficient number, since it is larger than the sum of its proper divisors (1).

190725572069 is an equidigital number, since it uses as much as digits as its factorization.

190725572069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The spelling of 190725572069 in words is "one hundred ninety billion, seven hundred twenty-five million, five hundred seventy-two thousand, sixty-nine".