2921318423950 has 24 divisors (see below), whose sum is σ = 5434479793800. Its totient is φ = 1168349407200.

The previous prime is 2921318423917. The next prime is 2921318424047. The reversal of 2921318423950 is 593248131292.

It is a junction number, because it is equal to n+sod(n) for n = 2921318423894 and 2921318423903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4117225 + ... + 4774324.

It is an arithmetic number, because the mean of its divisors is an integer number (226436658075).

Almost surely, 2^{2921318423950} is an apocalyptic number.

2921318423950 is a deficient number, since it is larger than the sum of its proper divisors (2513161369850).

2921318423950 is a wasteful number, since it uses less digits than its factorization.

2921318423950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8898132 (or 8898127 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 2921318423950 in words is "two trillion, nine hundred twenty-one billion, three hundred eighteen million, four hundred twenty-three thousand, nine hundred fifty".