2921939390798 has 16 divisors (see below), whose sum is σ = 4641123496464. Its totient is φ = 1374912900480.

The previous prime is 2921939390789. The next prime is 2921939390801. The reversal of 2921939390798 is 8970939391292.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3264065 + ... + 4061772.

It is an arithmetic number, because the mean of its divisors is an integer number (290070218529).

Almost surely, 2^{2921939390798} is an apocalyptic number.

2921939390798 is a deficient number, since it is larger than the sum of its proper divisors (1719184105666).

2921939390798 is a wasteful number, since it uses less digits than its factorization.

2921939390798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7337587.

The product of its (nonzero) digits is 119042784, while the sum is 71.

The spelling of 2921939390798 in words is "two trillion, nine hundred twenty-one billion, nine hundred thirty-nine million, three hundred ninety thousand, seven hundred ninety-eight".