538571074385 has 4 divisors (see below), whose sum is σ = 646285289268. Its totient is φ = 430856859504.

The previous prime is 538571074351. The next prime is 538571074403. The reversal of 538571074385 is 583470175835.

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 258260125249 + 280310949136 = 508193^2 + 529444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538571074385 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 538571074385.

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, 53857107434 + ... + 53857107443.

It is an arithmetic number, because the mean of its divisors is an integer number (161571322317).

Almost surely, 2^538571074385 is an apocalyptic number.

It is an amenable number.

538571074385 is a deficient number, since it is larger than the sum of its proper divisors (107714214883).

538571074385 is a wasteful number, since it uses less digits than its factorization.

538571074385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107714214882.

The product of its (nonzero) digits is 14112000, while the sum is 56.

The spelling of 538571074385 in words is "five hundred thirty-eight billion, five hundred seventy-one million, seventy-four thousand, three hundred eighty-five".