4170551554321 has 2 divisors, whose sum is σ = 4170551554322. Its totient is φ = 4170551554320.

The previous prime is 4170551554313. The next prime is 4170551554339. The reversal of 4170551554321 is 1234551550714.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3765850736400 + 404700817921 = 1940580^2 + 636161^2 .

It is a cyclic number.

It is not a de Polignac number, because 4170551554321 - 2³ = 4170551554313 is a prime.

It is not a weakly prime, because it can be changed into another prime (4170551554361) by changing a digit.

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 as a sum of consecutive naturals, namely, 2085275777160 + 2085275777161.

It is an arithmetic number, because the mean of its divisors is an integer number (2085275777161).

Almost surely, 2^{4170551554321} is an apocalyptic number.

It is an amenable number.

4170551554321 is a deficient number, since it is larger than the sum of its proper divisors (1).

4170551554321 is an equidigital number, since it uses as much as digits as its factorization.

4170551554321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420000, while the sum is 43.

The spelling of 4170551554321 in words is "four trillion, one hundred seventy billion, five hundred fifty-one million, five hundred fifty-four thousand, three hundred twenty-one".