319462395085 has 4 divisors (see below), whose sum is σ = 383354874108. Its totient is φ = 255569916064.

The previous prime is 319462395071. The next prime is 319462395113. The reversal of 319462395085 is 580593264913.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 580593264913 = 23 ⋅25243185431.

It can be written as a sum of positive squares in 2 ways, for example, as 51720311241 + 267742083844 = 227421^2 + 517438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-319462395085 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 31946239504 + ... + 31946239513.

It is an arithmetic number, because the mean of its divisors is an integer number (95838718527).

Almost surely, 2^319462395085 is an apocalyptic number.

It is an amenable number.

319462395085 is a deficient number, since it is larger than the sum of its proper divisors (63892479023).

319462395085 is an equidigital number, since it uses as much as digits as its factorization.

319462395085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63892479022.

The product of its (nonzero) digits is 6998400, while the sum is 55.

The spelling of 319462395085 in words is "three hundred nineteen billion, four hundred sixty-two million, three hundred ninety-five thousand, eighty-five".