190292569561 has 2 divisors, whose sum is σ = 190292569562. Its totient is φ = 190292569560.

The previous prime is 190292569549. The next prime is 190292569567. The reversal of 190292569561 is 165965292091.

190292569561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182547689536 + 7744880025 = 427256^2 + 88005^2 .

It is an emirp because it is prime and its reverse (165965292091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190292569561 - 2⁵ = 190292569529 is a prime.

It is a super-2 number, since 2×190292569561² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190292569567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95146284780 + 95146284781.

It is an arithmetic number, because the mean of its divisors is an integer number (95146284781).

Almost surely, 2^190292569561 is an apocalyptic number.

It is an amenable number.

190292569561 is a deficient number, since it is larger than the sum of its proper divisors (1).

190292569561 is an equidigital number, since it uses as much as digits as its factorization.

190292569561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2624400, while the sum is 55.

The spelling of 190292569561 in words is "one hundred ninety billion, two hundred ninety-two million, five hundred sixty-nine thousand, five hundred sixty-one".