7921314912 has 144 divisors (see below), whose sum is σ = 24339051072. Its totient is φ = 2249130240.

The previous prime is 7921314847. The next prime is 7921314953. The reversal of 7921314912 is 2194131297.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 761587 + ... + 771917.

It is an arithmetic number, because the mean of its divisors is an integer number (169021188).

Almost surely, 2^7921314912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7921314912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12169525536).

7921314912 is an abundant number, since it is smaller than the sum of its proper divisors (16417736160).

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

7921314912 is a wasteful number, since it uses less digits than its factorization.

7921314912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10521 (or 10506 counting only the distinct ones).

The product of its digits is 27216, while the sum is 39.

The square root of 7921314912 is about 89001.7691509556. The cubic root of 7921314912 is about 1993.4212933697.

The spelling of 7921314912 in words is "seven billion, nine hundred twenty-one million, three hundred fourteen thousand, nine hundred twelve".