1013530543638 has 8 divisors (see below), whose sum is σ = 2027061087288. Its totient is φ = 337843514544.

The previous prime is 1013530543621. The next prime is 1013530543651. The reversal of 1013530543638 is 8363450353101.

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

1013530543638 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1013530543638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84460878631 + ... + 84460878642.

It is an arithmetic number, because the mean of its divisors is an integer number (253382635911).

Almost surely, 2^{1013530543638} is an apocalyptic number.

1013530543638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1013530543638 is a wasteful number, since it uses less digits than its factorization.

1013530543638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168921757278.

The product of its (nonzero) digits is 388800, while the sum is 42.

Adding to 1013530543638 its reverse (8363450353101), we get a palindrome (9376980896739).

The spelling of 1013530543638 in words is "one trillion, thirteen billion, five hundred thirty million, five hundred forty-three thousand, six hundred thirty-eight".