2921345316344 has 64 divisors (see below), whose sum is σ = 6752821824000. Its totient is φ = 1153767498624.

The previous prime is 2921345316341. The next prime is 2921345316389. The reversal of 2921345316344 is 4436135431292.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2921345316341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2913542 + ... + 3785685.

It is an arithmetic number, because the mean of its divisors is an integer number (105512841000).

Almost surely, 2^{2921345316344} is an apocalyptic number.

It is an amenable number.

2921345316344 is an abundant number, since it is smaller than the sum of its proper divisors (3831476507656).

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

2921345316344 is a wasteful number, since it uses less digits than its factorization.

2921345316344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6699852 (or 6699848 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 47.

The spelling of 2921345316344 in words is "two trillion, nine hundred twenty-one billion, three hundred forty-five million, three hundred sixteen thousand, three hundred forty-four".