538300205861 has 8 divisors (see below), whose sum is σ = 587607571584. Its totient is φ = 489054670720.

The previous prime is 538300205851. The next prime is 538300205893. The reversal of 538300205861 is 168502003835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 538300205861 - 2⁶ = 538300205797 is a prime.

It is a super-2 number, since 2×538300205861² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538300205851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15439436 + ... + 15474261.

It is an arithmetic number, because the mean of its divisors is an integer number (73450946448).

Almost surely, 2^538300205861 is an apocalyptic number.

It is an amenable number.

538300205861 is a deficient number, since it is larger than the sum of its proper divisors (49307365723).

538300205861 is a wasteful number, since it uses less digits than its factorization.

538300205861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30915291.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 538300205861 in words is "five hundred thirty-eight billion, three hundred million, two hundred five thousand, eight hundred sixty-one".