1604310491329 has 32 divisors (see below), whose sum is σ = 2007496789760. Its totient is φ = 1248167750400.

The previous prime is 1604310491299. The next prime is 1604310491347. The reversal of 1604310491329 is 9231940134061.

It is not a de Polignac number, because 1604310491329 - 2¹⁵ = 1604310458561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1604310491389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19615282 + ... + 19696900.

It is an arithmetic number, because the mean of its divisors is an integer number (62734274680).

Almost surely, 2^{1604310491329} is an apocalyptic number.

It is an amenable number.

1604310491329 is a deficient number, since it is larger than the sum of its proper divisors (403186298431).

1604310491329 is a wasteful number, since it uses less digits than its factorization.

1604310491329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85241.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 1604310491329 in words is "one trillion, six hundred four billion, three hundred ten million, four hundred ninety-one thousand, three hundred twenty-nine".