21374443203250 has 128 divisors (see below), whose sum is σ = 40873673917440. Its totient is φ = 8367337440000.

The previous prime is 21374443203101. The next prime is 21374443203263. The reversal of 21374443203250 is 5230234447312.

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 63 ways as a sum of consecutive naturals, for example, 7038010732 + ... + 7038013768.

It is an arithmetic number, because the mean of its divisors is an integer number (319325577480).

Almost surely, 2^{21374443203250} is an apocalyptic number.

21374443203250 is a deficient number, since it is larger than the sum of its proper divisors (19499230714190).

21374443203250 is a wasteful number, since it uses less digits than its factorization.

21374443203250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285 (or 5275 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 40.

The spelling of 21374443203250 in words is "twenty-one trillion, three hundred seventy-four billion, four hundred forty-three million, two hundred three thousand, two hundred fifty".