2721012916344 has 32 divisors (see below), whose sum is σ = 6869884101840. Its totient is φ = 898024064000.

The previous prime is 2721012916343. The next prime is 2721012916373. The reversal of 2721012916344 is 4436192101272.

It is a super-2 number, since 2×2721012916344² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2721012916296 and 2721012916305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721012916343) 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, 561262617 + ... + 561267464.

Almost surely, 2^{2721012916344} is an apocalyptic number.

2721012916344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2721012916344 is an abundant number, since it is smaller than the sum of its proper divisors (4148871185496).

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

2721012916344 is a wasteful number, since it uses less digits than its factorization.

2721012916344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122530191 (or 1122530187 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 2721012916344 in words is "two trillion, seven hundred twenty-one billion, twelve million, nine hundred sixteen thousand, three hundred forty-four".