2129518539092 has 24 divisors (see below), whose sum is σ = 4259411545536. Its totient is φ = 912570559488.

The previous prime is 2129518539091. The next prime is 2129518539103. The reversal of 2129518539092 is 2909358159212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129518539091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3018758 + ... + 3656765.

It is an arithmetic number, because the mean of its divisors is an integer number (177475481064).

Almost surely, 2^{2129518539092} is an apocalyptic number.

It is an amenable number.

2129518539092 is an abundant number, since it is smaller than the sum of its proper divisors (2129893006444).

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

2129518539092 is a wasteful number, since it uses less digits than its factorization.

2129518539092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6686927 (or 6686925 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 56.

The spelling of 2129518539092 in words is "two trillion, one hundred twenty-nine billion, five hundred eighteen million, five hundred thirty-nine thousand, ninety-two".