1604380429629 has 12 divisors (see below), whose sum is σ = 2317485824316. Its totient is φ = 1069565064192.

The previous prime is 1604380429591. The next prime is 1604380429651. The reversal of 1604380429629 is 9269240834061.

1604380429629 is a `hidden beast` number, since 1 + 6 + 0 + 4 + 3 + 8 + 0 + 4 + 2 + 9 + 629 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1346597784900 + 257782644729 = 1160430^2 + 507723^2 .

It is not a de Polignac number, because 1604380429629 - 2⁷ = 1604380429501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604380429529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1353474 + ... + 2245139.

It is an arithmetic number, because the mean of its divisors is an integer number (193123818693).

Almost surely, 2^{1604380429629} is an apocalyptic number.

It is an amenable number.

1604380429629 is a deficient number, since it is larger than the sum of its proper divisors (713105394687).

1604380429629 is a wasteful number, since it uses less digits than its factorization.

1604380429629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648156 (or 3648153 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 1604380429629 in words is "one trillion, six hundred four billion, three hundred eighty million, four hundred twenty-nine thousand, six hundred twenty-nine".