1356433466 has 4 divisors (see below), whose sum is σ = 2034650202. Its totient is φ = 678216732.

The previous prime is 1356433459. The next prime is 1356433469. The reversal of 1356433466 is 6643346531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 949564225 + 406869241 = 30815^2 + 20171^2 .

It is not an unprimeable number, because it can be changed into a prime (1356433469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339108365 + ... + 339108368.

Almost surely, 2^1356433466 is an apocalyptic number.

1356433466 is a deficient number, since it is larger than the sum of its proper divisors (678216736).

1356433466 is an equidigital number, since it uses as much as digits as its factorization.

1356433466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678216735.

The product of its digits is 466560, while the sum is 41.

The square root of 1356433466 is about 36829.7904691297. The cubic root of 1356433466 is about 1106.9623045053.

Adding to 1356433466 its reverse (6643346531), we get a palindrome (7999779997).

The spelling of 1356433466 in words is "one billion, three hundred fifty-six million, four hundred thirty-three thousand, four hundred sixty-six".