1721221852483 has 32 divisors (see below), whose sum is σ = 2012383526400. Its totient is φ = 1441697584896.

The previous prime is 1721221852463. The next prime is 1721221852487. The reversal of 1721221852483 is 3842581221271.

It is a cyclic number.

It is not a de Polignac number, because 1721221852483 - 2⁹ = 1721221851971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1721221852487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58973788 + ... + 59002966.

It is an arithmetic number, because the mean of its divisors is an integer number (62886985200).

Almost surely, 2^{1721221852483} is an apocalyptic number.

1721221852483 is a deficient number, since it is larger than the sum of its proper divisors (291161673917).

1721221852483 is a wasteful number, since it uses less digits than its factorization.

1721221852483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30091.

The product of its digits is 430080, while the sum is 46.

The spelling of 1721221852483 in words is "one trillion, seven hundred twenty-one billion, two hundred twenty-one million, eight hundred fifty-two thousand, four hundred eighty-three".