85393149313 has 4 divisors (see below), whose sum is σ = 85394280448. Its totient is φ = 85392018180.

The previous prime is 85393149269. The next prime is 85393149397. The reversal of 85393149313 is 31394139358.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31394139358 = 2 ⋅15697069679.

It is a cyclic number.

It is not a de Polignac number, because 85393149313 - 2²⁹ = 84856278401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85393149013) 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, 443553 + ... + 606238.

It is an arithmetic number, because the mean of its divisors is an integer number (21348570112).

Almost surely, 2^85393149313 is an apocalyptic number.

It is an amenable number.

85393149313 is a deficient number, since it is larger than the sum of its proper divisors (1131135).

85393149313 is a wasteful number, since it uses less digits than its factorization.

85393149313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131134.

The product of its digits is 1049760, while the sum is 49.

The spelling of 85393149313 in words is "eighty-five billion, three hundred ninety-three million, one hundred forty-nine thousand, three hundred thirteen".