8049921106972 has 24 divisors (see below), whose sum is σ = 14418954861696. Its totient is φ = 3930271404528.

The previous prime is 8049921106939. The next prime is 8049921106973. The reversal of 8049921106972 is 2796011299408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8049921106973) 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, 5835838 + ... + 7082149.

It is an arithmetic number, because the mean of its divisors is an integer number (600789785904).

Almost surely, 2^{8049921106972} is an apocalyptic number.

It is an amenable number.

8049921106972 is a deficient number, since it is larger than the sum of its proper divisors (6369033754724).

8049921106972 is a wasteful number, since it uses less digits than its factorization.

8049921106972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12921657 (or 12921655 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 58.

The spelling of 8049921106972 in words is "eight trillion, forty-nine billion, nine hundred twenty-one million, one hundred six thousand, nine hundred seventy-two".