1604713395477 has 4 divisors (see below), whose sum is σ = 2139617860640. Its totient is φ = 1069808930316.

The previous prime is 1604713395463. The next prime is 1604713395529. The reversal of 1604713395477 is 7745933174061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1604713395477 - 2⁶ = 1604713395413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604713395407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267452232577 + ... + 267452232582.

It is an arithmetic number, because the mean of its divisors is an integer number (534904465160).

Almost surely, 2^{1604713395477} is an apocalyptic number.

It is an amenable number.

1604713395477 is a deficient number, since it is larger than the sum of its proper divisors (534904465163).

1604713395477 is an equidigital number, since it uses as much as digits as its factorization.

1604713395477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534904465162.

The product of its (nonzero) digits is 13335840, while the sum is 57.

The spelling of 1604713395477 in words is "one trillion, six hundred four billion, seven hundred thirteen million, three hundred ninety-five thousand, four hundred seventy-seven".