61729692716 has 6 divisors (see below), whose sum is σ = 108026962260. Its totient is φ = 30864846356.

The previous prime is 61729692691. The next prime is 61729692719.

61729692716 is nontrivially palindromic in base 10.

61729692716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61729692719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7716211586 + ... + 7716211593.

It is an arithmetic number, because the mean of its divisors is an integer number (18004493710).

Almost surely, 2^61729692716 is an apocalyptic number.

It is an amenable number.

61729692716 is a deficient number, since it is larger than the sum of its proper divisors (46297269544).

61729692716 is a wasteful number, since it uses less digits than its factorization.

61729692716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15432423183 (or 15432423181 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 56.

The spelling of 61729692716 in words is "sixty-one billion, seven hundred twenty-nine million, six hundred ninety-two thousand, seven hundred sixteen".