729481651 has 2 divisors, whose sum is σ = 729481652. Its totient is φ = 729481650.

The previous prime is 729481637. The next prime is 729481657. The reversal of 729481651 is 156184927.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 729481651 - 2¹¹ = 729479603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 729481598 and 729481607.

It is not a weakly prime, because it can be changed into another prime (729481657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364740825 + 364740826.

It is an arithmetic number, because the mean of its divisors is an integer number (364740826).

Almost surely, 2^729481651 is an apocalyptic number.

729481651 is a deficient number, since it is larger than the sum of its proper divisors (1).

729481651 is an equidigital number, since it uses as much as digits as its factorization.

729481651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 43.

The square root of 729481651 is about 27008.9179901750. The cubic root of 729481651 is about 900.1981666515.

The spelling of 729481651 in words is "seven hundred twenty-nine million, four hundred eighty-one thousand, six hundred fifty-one".