1604470771 has 2 divisors, whose sum is σ = 1604470772. Its totient is φ = 1604470770.

The previous prime is 1604470757. The next prime is 1604470781. The reversal of 1604470771 is 1770744061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1604470771 - 2²⁹ = 1067599859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1604470771.

It is not a weakly prime, because it can be changed into another prime (1604470741) 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, 802235385 + 802235386.

It is an arithmetic number, because the mean of its divisors is an integer number (802235386).

Almost surely, 2^1604470771 is an apocalyptic number.

1604470771 is a deficient number, since it is larger than the sum of its proper divisors (1).

1604470771 is an equidigital number, since it uses as much as digits as its factorization.

1604470771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 1604470771 is about 40055.8456532876. The cubic root of 1604470771 is about 1170.6954666687.

The spelling of 1604470771 in words is "one billion, six hundred four million, four hundred seventy thousand, seven hundred seventy-one".