729769985071 has 2 divisors, whose sum is σ = 729769985072. Its totient is φ = 729769985070.

The previous prime is 729769985059. The next prime is 729769985143. The reversal of 729769985071 is 170589967927.

It is a weak prime.

It is an emirp because it is prime and its reverse (170589967927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 729769985071 - 2¹¹ = 729769983023 is a prime.

It is a super-2 number, since 2×729769985071² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (729769985051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364884992535 + 364884992536.

It is an arithmetic number, because the mean of its divisors is an integer number (364884992536).

Almost surely, 2^729769985071 is an apocalyptic number.

729769985071 is a deficient number, since it is larger than the sum of its proper divisors (1).

729769985071 is an equidigital number, since it uses as much as digits as its factorization.

729769985071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120022560, while the sum is 70.

The spelling of 729769985071 in words is "seven hundred twenty-nine billion, seven hundred sixty-nine million, nine hundred eighty-five thousand, seventy-one".