61069822529 has 2 divisors, whose sum is σ = 61069822530. Its totient is φ = 61069822528.

The previous prime is 61069822459. The next prime is 61069822549. The reversal of 61069822529 is 92522896016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60791833600 + 277988929 = 246560^2 + 16673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61069822529 is a prime.

It is not a weakly prime, because it can be changed into another prime (61069822549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30534911264 + 30534911265.

It is an arithmetic number, because the mean of its divisors is an integer number (30534911265).

Almost surely, 2^61069822529 is an apocalyptic number.

It is an amenable number.

61069822529 is a deficient number, since it is larger than the sum of its proper divisors (1).

61069822529 is an equidigital number, since it uses as much as digits as its factorization.

61069822529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 61069822529 in words is "sixty-one billion, sixty-nine million, eight hundred twenty-two thousand, five hundred twenty-nine".