538443695 has 8 divisors (see below), whose sum is σ = 658323936. Its totient is φ = 422627296.

The previous prime is 538443671. The next prime is 538443709. The reversal of 538443695 is 596344835.

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

It is a cyclic number.

It is not a de Polignac number, because 538443695 - 2¹² = 538439599 is a prime.

It is a super-2 number, since 2×538443695² = 579843225370506050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015667 + ... + 1016196.

It is an arithmetic number, because the mean of its divisors is an integer number (82290492).

Almost surely, 2^538443695 is an apocalyptic number.

538443695 is a deficient number, since it is larger than the sum of its proper divisors (119880241).

538443695 is a wasteful number, since it uses less digits than its factorization.

538443695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031921.

The product of its digits is 1555200, while the sum is 47.

The square root of 538443695 is about 23204.3895631839. The cubic root of 538443695 is about 813.5422244999.

The spelling of 538443695 in words is "five hundred thirty-eight million, four hundred forty-three thousand, six hundred ninety-five".