1433728697 has 2 divisors, whose sum is σ = 1433728698. Its totient is φ = 1433728696.

The previous prime is 1433728669. The next prime is 1433728717. The reversal of 1433728697 is 7968273341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1303859881 + 129868816 = 36109^2 + 11396^2 .

It is a cyclic number.

It is not a de Polignac number, because 1433728697 - 2⁸ = 1433728441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1433728627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 716864348 + 716864349.

It is an arithmetic number, because the mean of its divisors is an integer number (716864349).

Almost surely, 2^1433728697 is an apocalyptic number.

It is an amenable number.

1433728697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1433728697 is an equidigital number, since it uses as much as digits as its factorization.

1433728697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 50.

The square root of 1433728697 is about 37864.6100864646. The cubic root of 1433728697 is about 1127.6015374230.

It can be divided in two parts, 14337 and 28697, that added together give a palindrome (43034).

The spelling of 1433728697 in words is "one billion, four hundred thirty-three million, seven hundred twenty-eight thousand, six hundred ninety-seven".