5451400050221 has 2 divisors, whose sum is σ = 5451400050222. Its totient is φ = 5451400050220.

The previous prime is 5451400050197. The next prime is 5451400050253. The reversal of 5451400050221 is 1220500041545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3017207214121 + 2434192836100 = 1737011^2 + 1560190^2 .

It is a cyclic number.

It is not a de Polignac number, because 5451400050221 - 2³⁴ = 5434220181037 is a prime.

It is a super-3 number, since 3×5451400050221³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5451400053221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725700025110 + 2725700025111.

It is an arithmetic number, because the mean of its divisors is an integer number (2725700025111).

Almost surely, 2^{5451400050221} is an apocalyptic number.

It is an amenable number.

5451400050221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5451400050221 is an equidigital number, since it uses as much as digits as its factorization.

5451400050221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 5451400050221 its reverse (1220500041545), we get a palindrome (6671900091766).

The spelling of 5451400050221 in words is "five trillion, four hundred fifty-one billion, four hundred million, fifty thousand, two hundred twenty-one".