4064220397 has 2 divisors, whose sum is σ = 4064220398. Its totient is φ = 4064220396.

The previous prime is 4064220371. The next prime is 4064220401. The reversal of 4064220397 is 7930224604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4028948676 + 35271721 = 63474^2 + 5939^2 .

It is a cyclic number.

It is not a de Polignac number, because 4064220397 - 2³¹ = 1916736749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4064220367) 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, 2032110198 + 2032110199.

It is an arithmetic number, because the mean of its divisors is an integer number (2032110199).

Almost surely, 2^4064220397 is an apocalyptic number.

It is an amenable number.

4064220397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4064220397 is an equidigital number, since it uses as much as digits as its factorization.

4064220397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 4064220397 is about 63751.2383958147. The cubic root of 4064220397 is about 1595.8512827479.

The spelling of 4064220397 in words is "four billion, sixty-four million, two hundred twenty thousand, three hundred ninety-seven".