729769985051 has 2 divisors, whose sum is σ = 729769985052. Its totient is φ = 729769985050.

The previous prime is 729769984987. The next prime is 729769985059. The reversal of 729769985051 is 150589967927.

It is a happy number.

729769985051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 729769985051 - 2⁶ = 729769984987 is a prime.

It is a super-3 number, since 3×729769985051³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (729769985059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364884992525 + 364884992526.

It is an arithmetic number, because the mean of its divisors is an integer number (364884992526).

Almost surely, 2^729769985051 is an apocalyptic number.

729769985051 is a deficient number, since it is larger than the sum of its proper divisors (1).

729769985051 is an equidigital number, since it uses as much as digits as its factorization.

729769985051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85730400, while the sum is 68.

The spelling of 729769985051 in words is "seven hundred twenty-nine billion, seven hundred sixty-nine million, nine hundred eighty-five thousand, fifty-one".