538212301919 has 4 divisors (see below), whose sum is σ = 538582717896. Its totient is φ = 537841885944.

The previous prime is 538212301859. The next prime is 538212301967. The reversal of 538212301919 is 919103212835.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 538212301919 - 2¹² = 538212297823 is a prime.

It is a super-2 number, since 2×538212301919² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 538212301919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538212301819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185205809 + ... + 185208714.

It is an arithmetic number, because the mean of its divisors is an integer number (134645679474).

Almost surely, 2^538212301919 is an apocalyptic number.

538212301919 is a deficient number, since it is larger than the sum of its proper divisors (370415977).

538212301919 is a wasteful number, since it uses less digits than its factorization.

538212301919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370415976.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 538212301919 in words is "five hundred thirty-eight billion, two hundred twelve million, three hundred one thousand, nine hundred nineteen".