4223540555251 has 2 divisors, whose sum is σ = 4223540555252. Its totient is φ = 4223540555250.

The previous prime is 4223540555191. The next prime is 4223540555261. The reversal of 4223540555251 is 1525550453224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4223540555251 - 2²¹ = 4223538458099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4223540555198 and 4223540555207.

It is not a weakly prime, because it can be changed into another prime (4223540555261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111770277625 + 2111770277626.

It is an arithmetic number, because the mean of its divisors is an integer number (2111770277626).

Almost surely, 2^{4223540555251} is an apocalyptic number.

4223540555251 is a deficient number, since it is larger than the sum of its proper divisors (1).

4223540555251 is an equidigital number, since it uses as much as digits as its factorization.

4223540555251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200000, while the sum is 43.

The spelling of 4223540555251 in words is "four trillion, two hundred twenty-three billion, five hundred forty million, five hundred fifty-five thousand, two hundred fifty-one".