538209442095 has 24 divisors (see below), whose sum is σ = 932471747856. Its totient is φ = 264964647168.

The previous prime is 538209442061. The next prime is 538209442109. The reversal of 538209442095 is 590244902835.

It is not a de Polignac number, because 538209442095 - 2²³ = 538201053487 is a prime.

It is a super-2 number, since 2×538209442095² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106153174 + ... + 106158243.

It is an arithmetic number, because the mean of its divisors is an integer number (38852989494).

Almost surely, 2^538209442095 is an apocalyptic number.

538209442095 is a deficient number, since it is larger than the sum of its proper divisors (394262305761).

538209442095 is a wasteful number, since it uses less digits than its factorization.

538209442095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212311451 (or 212311438 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 538209442095 in words is "five hundred thirty-eight billion, two hundred nine million, four hundred forty-two thousand, ninety-five".