538419618 has 24 divisors (see below), whose sum is σ = 1272628656. Its totient is φ = 163157400.

The previous prime is 538419617. The next prime is 538419619. The reversal of 538419618 is 816914835.

It is an interprime number because it is at equal distance from previous prime (538419617) and next prime (538419619).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (538419617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1359448 + ... + 1359843.

It is an arithmetic number, because the mean of its divisors is an integer number (53026194).

Almost surely, 2^538419618 is an apocalyptic number.

538419618 is an abundant number, since it is smaller than the sum of its proper divisors (734209038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538419618 is a wasteful number, since it uses less digits than its factorization.

538419618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719310 (or 2719307 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 538419618 is about 23203.8707546823. The cubic root of 538419618 is about 813.5300982255.

The spelling of 538419618 in words is "five hundred thirty-eight million, four hundred nineteen thousand, six hundred eighteen".