1604645455033 has 2 divisors, whose sum is σ = 1604645455034. Its totient is φ = 1604645455032.

The previous prime is 1604645455001. The next prime is 1604645455079. The reversal of 1604645455033 is 3305545464061.

It is an a-pointer prime, because the next prime (1604645455079) can be obtained adding 1604645455033 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1535187906729 + 69457548304 = 1239027^2 + 263548^2 .

It is a cyclic number.

It is not a de Polignac number, because 1604645455033 - 2⁵ = 1604645455001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1604645455093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 802322727516 + 802322727517.

It is an arithmetic number, because the mean of its divisors is an integer number (802322727517).

Almost surely, 2^{1604645455033} is an apocalyptic number.

It is an amenable number.

1604645455033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1604645455033 is an equidigital number, since it uses as much as digits as its factorization.

1604645455033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 1604645455033 in words is "one trillion, six hundred four billion, six hundred forty-five million, four hundred fifty-five thousand, thirty-three".