61065050069 has 2 divisors, whose sum is σ = 61065050070. Its totient is φ = 61065050068.

The previous prime is 61065050029. The next prime is 61065050077. The reversal of 61065050069 is 96005056016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55126344100 + 5938705969 = 234790^2 + 77063^2 .

It is a cyclic number.

It is not a de Polignac number, because 61065050069 - 2¹² = 61065045973 is a prime.

It is a super-2 number, since 2×61065050069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61065050029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30532525034 + 30532525035.

It is an arithmetic number, because the mean of its divisors is an integer number (30532525035).

Almost surely, 2^61065050069 is an apocalyptic number.

It is an amenable number.

61065050069 is a deficient number, since it is larger than the sum of its proper divisors (1).

61065050069 is an equidigital number, since it uses as much as digits as its factorization.

61065050069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 61065050069 in words is "sixty-one billion, sixty-five million, fifty thousand, sixty-nine".