1465340729 has 2 divisors, whose sum is σ = 1465340730. Its totient is φ = 1465340728.

The previous prime is 1465340689. The next prime is 1465340777. The reversal of 1465340729 is 9270435641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1455575104 + 9765625 = 38152^2 + 3125^2 .

It is a cyclic number.

It is not a de Polignac number, because 1465340729 - 2²⁸ = 1196905273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1465370729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 732670364 + 732670365.

It is an arithmetic number, because the mean of its divisors is an integer number (732670365).

Almost surely, 2^1465340729 is an apocalyptic number.

It is an amenable number.

1465340729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1465340729 is an equidigital number, since it uses as much as digits as its factorization.

1465340729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 1465340729 is about 38279.7691868695. The cubic root of 1465340729 is about 1135.8287927303.

The spelling of 1465340729 in words is "one billion, four hundred sixty-five million, three hundred forty thousand, seven hundred twenty-nine".