61069046677 has 2 divisors, whose sum is σ = 61069046678. Its totient is φ = 61069046676.

The previous prime is 61069046629. The next prime is 61069046743. The reversal of 61069046677 is 77664096016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32966212356 + 28102834321 = 181566^2 + 167639^2 .

It is a cyclic number.

It is not a de Polignac number, because 61069046677 - 2¹⁵ = 61069013909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61069046377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30534523338 + 30534523339.

It is an arithmetic number, because the mean of its divisors is an integer number (30534523339).

Almost surely, 2^61069046677 is an apocalyptic number.

It is an amenable number.

61069046677 is a deficient number, since it is larger than the sum of its proper divisors (1).

61069046677 is an equidigital number, since it uses as much as digits as its factorization.

61069046677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 61069046677 in words is "sixty-one billion, sixty-nine million, forty-six thousand, six hundred seventy-seven".