857012103593 has 4 divisors (see below), whose sum is σ = 857112925188. Its totient is φ = 856911282000.

The previous prime is 857012103559. The next prime is 857012103613. The reversal of 857012103593 is 395301210758.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 211611960169 + 645400143424 = 460013^2 + 803368^2 .

It is a cyclic number.

It is not a de Polignac number, because 857012103593 - 2²⁴ = 856995326377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (857012103503) 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, 50398046 + ... + 50415047.

It is an arithmetic number, because the mean of its divisors is an integer number (214278231297).

Almost surely, 2^857012103593 is an apocalyptic number.

It is an amenable number.

857012103593 is a deficient number, since it is larger than the sum of its proper divisors (100821595).

857012103593 is a wasteful number, since it uses less digits than its factorization.

857012103593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100821594.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 857012103593 in words is "eight hundred fifty-seven billion, twelve million, one hundred three thousand, five hundred ninety-three".