4975321443321 has 4 divisors (see below), whose sum is σ = 6633761924432. Its totient is φ = 3316880962212.

The previous prime is 4975321443263. The next prime is 4975321443383. The reversal of 4975321443321 is 1233441235794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4975321443321 - 2¹⁹ = 4975320919033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4975321443221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829220240551 + ... + 829220240556.

It is an arithmetic number, because the mean of its divisors is an integer number (1658440481108).

Almost surely, 2^{4975321443321} is an apocalyptic number.

It is an amenable number.

4975321443321 is a deficient number, since it is larger than the sum of its proper divisors (1658440481111).

4975321443321 is a wasteful number, since it uses less digits than its factorization.

4975321443321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658440481110.

The product of its digits is 2177280, while the sum is 48.

The spelling of 4975321443321 in words is "four trillion, nine hundred seventy-five billion, three hundred twenty-one million, four hundred forty-three thousand, three hundred twenty-one".