1604474604619 has 2 divisors, whose sum is σ = 1604474604620. Its totient is φ = 1604474604618.

The previous prime is 1604474604553. The next prime is 1604474604671. The reversal of 1604474604619 is 9164064744061.

It is an a-pointer prime, because the next prime (1604474604671) can be obtained adding 1604474604619 to its sum of digits (52).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1604474604619 - 2³¹ = 1602327120971 is a prime.

It is a super-2 number, since 2×1604474604619² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1604474604119) 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, 802237302309 + 802237302310.

It is an arithmetic number, because the mean of its divisors is an integer number (802237302310).

Almost surely, 2^{1604474604619} is an apocalyptic number.

1604474604619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1604474604619 is an equidigital number, since it uses as much as digits as its factorization.

1604474604619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 1604474604619 in words is "one trillion, six hundred four billion, four hundred seventy-four million, six hundred four thousand, six hundred nineteen".