6139973853660 has 96 divisors (see below), whose sum is σ = 17613817385472. Its totient is φ = 1597241882880.

The previous prime is 6139973853553. The next prime is 6139973853661. The reversal of 6139973853660 is 663583799316.

It is a junction number, because it is equal to n+sod(n) for n = 6139973853591 and 6139973853600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6139973853661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 563265 + ... + 3549255.

It is an arithmetic number, because the mean of its divisors is an integer number (183477264432).

Almost surely, 2^{6139973853660} is an apocalyptic number.

6139973853660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6139973853660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8806908692736).

6139973853660 is an abundant number, since it is smaller than the sum of its proper divisors (11473843531812).

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

6139973853660 is a wasteful number, since it uses less digits than its factorization.

6139973853660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986843 (or 2986841 counting only the distinct ones).

The product of its (nonzero) digits is 132269760, while the sum is 66.

The spelling of 6139973853660 in words is "six trillion, one hundred thirty-nine billion, nine hundred seventy-three million, eight hundred fifty-three thousand, six hundred sixty".