1604416433 has 2 divisors, whose sum is σ = 1604416434. Its totient is φ = 1604416432.

The previous prime is 1604416421. The next prime is 1604416447. The reversal of 1604416433 is 3346144061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1596162304 + 8254129 = 39952^2 + 2873^2 .

It is a cyclic number.

It is not a de Polignac number, because 1604416433 - 2⁶ = 1604416369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1604416433.

It is not a weakly prime, because it can be changed into another prime (1604416493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802208216 + 802208217.

It is an arithmetic number, because the mean of its divisors is an integer number (802208217).

Almost surely, 2^1604416433 is an apocalyptic number.

It is an amenable number.

1604416433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1604416433 is an equidigital number, since it uses as much as digits as its factorization.

1604416433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 1604416433 is about 40055.1673695168. The cubic root of 1604416433 is about 1170.6822506871.

The spelling of 1604416433 in words is "one billion, six hundred four million, four hundred sixteen thousand, four hundred thirty-three".