538345837838 has 8 divisors (see below), whose sum is σ = 807522986640. Its totient is φ = 269171508960.

The previous prime is 538345837811. The next prime is 538345837853. The reversal of 538345837838 is 838738543835.

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

It is a super-2 number, since 2×538345837838² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135803 + ... + 1046486.

It is an arithmetic number, because the mean of its divisors is an integer number (100940373330).

Almost surely, 2^538345837838 is an apocalyptic number.

538345837838 is a deficient number, since it is larger than the sum of its proper divisors (269177148802).

538345837838 is a wasteful number, since it uses less digits than its factorization.

538345837838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409962.

The product of its digits is 232243200, while the sum is 65.

The spelling of 538345837838 in words is "five hundred thirty-eight billion, three hundred forty-five million, eight hundred thirty-seven thousand, eight hundred thirty-eight".