319475464405 has 24 divisors (see below), whose sum is σ = 387592501032. Its totient is φ = 252789836544.

The previous prime is 319475464381. The next prime is 319475464421. The reversal of 319475464405 is 504464574913.

It can be written as a sum of positive squares in 12 ways, for example, as 10830773041 + 308644691364 = 104071^2 + 555558^2 .

It is a de Polignac number, because none of the positive numbers 2^k-319475464405 is a prime.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29474647 + ... + 29485483.

It is an arithmetic number, because the mean of its divisors is an integer number (16149687543).

Almost surely, 2^319475464405 is an apocalyptic number.

It is an amenable number.

319475464405 is a deficient number, since it is larger than the sum of its proper divisors (68117036627).

319475464405 is a wasteful number, since it uses less digits than its factorization.

319475464405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11385 (or 11212 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 319475464405 in words is "three hundred nineteen billion, four hundred seventy-five million, four hundred sixty-four thousand, four hundred five".