538351569 has 16 divisors (see below), whose sum is σ = 911495040. Its totient is φ = 307629360.

The previous prime is 538351531. The next prime is 538351573. The reversal of 538351569 is 965153835.

538351569 is a `hidden beast` number, since 5 + 3 + 83 + 5 + 1 + 569 = 666.

It is not a de Polignac number, because 538351569 - 2⁷ = 538351441 is a prime.

It is a super-2 number, since 2×538351569² = 579644823689523522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (538351579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1424022 + ... + 1424399.

It is an arithmetic number, because the mean of its divisors is an integer number (56968440).

Almost surely, 2^538351569 is an apocalyptic number.

It is an amenable number.

538351569 is a deficient number, since it is larger than the sum of its proper divisors (373143471).

538351569 is a wasteful number, since it uses less digits than its factorization.

538351569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848437 (or 2848431 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 538351569 is about 23202.4043797189. The cubic root of 538351569 is about 813.4958236930.

The spelling of 538351569 in words is "five hundred thirty-eight million, three hundred fifty-one thousand, five hundred sixty-nine".