4056554209 has 2 divisors, whose sum is σ = 4056554210. Its totient is φ = 4056554208.

The previous prime is 4056554179. The next prime is 4056554219. The reversal of 4056554209 is 9024556504.

4056554209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2544899809 + 1511654400 = 50447^2 + 38880^2 .

It is a cyclic number.

It is not a de Polignac number, because 4056554209 - 2¹³ = 4056546017 is a prime.

It is not a weakly prime, because it can be changed into another prime (4056554219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2028277104 + 2028277105.

It is an arithmetic number, because the mean of its divisors is an integer number (2028277105).

Almost surely, 2^4056554209 is an apocalyptic number.

It is an amenable number.

4056554209 is a deficient number, since it is larger than the sum of its proper divisors (1).

4056554209 is an equidigital number, since it uses as much as digits as its factorization.

4056554209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 4056554209 is about 63691.0842190648. The cubic root of 4056554209 is about 1594.8472528587.

The spelling of 4056554209 in words is "four billion, fifty-six million, five hundred fifty-four thousand, two hundred nine".