13049865943038 has 48 divisors (see below), whose sum is σ = 28405854814896. Its totient is φ = 4329825776640.

The previous prime is 13049865943021. The next prime is 13049865943087. The reversal of 13049865943038 is 83034956894031.

13049865943038 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 9 + 8 + 6 + 594 + 3 + 0 + 38 = 666.

It is a super-2 number, since 2×13049865943038² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1413406 + ... + 5300702.

It is an arithmetic number, because the mean of its divisors is an integer number (591788641977).

Almost surely, 2^{13049865943038} is an apocalyptic number.

13049865943038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13049865943038 is an abundant number, since it is smaller than the sum of its proper divisors (15355988871858).

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

13049865943038 is a wasteful number, since it uses less digits than its factorization.

13049865943038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888169 (or 3888166 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 63.

The spelling of 13049865943038 in words is "thirteen trillion, forty-nine billion, eight hundred sixty-five million, nine hundred forty-three thousand, thirty-eight".