838517445103 has 12 divisors (see below), whose sum is σ = 918182472480. Its totient is φ = 765319279296.

The previous prime is 838517445067. The next prime is 838517445121. The reversal of 838517445103 is 301544715838.

It is not a de Polignac number, because 838517445103 - 2²⁹ = 837980574191 is a prime.

It is a super-2 number, since 2×838517445103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838517445173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27859351 + ... + 27889432.

It is an arithmetic number, because the mean of its divisors is an integer number (76515206040).

Almost surely, 2^838517445103 is an apocalyptic number.

838517445103 is a deficient number, since it is larger than the sum of its proper divisors (79665027377).

838517445103 is a wasteful number, since it uses less digits than its factorization.

838517445103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55748898 (or 55748885 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 838517445103 in words is "eight hundred thirty-eight billion, five hundred seventeen million, four hundred forty-five thousand, one hundred three".