4394538997 has 2 divisors, whose sum is σ = 4394538998. Its totient is φ = 4394538996.

The previous prime is 4394538961. The next prime is 4394539033. The reversal of 4394538997 is 7998354934.

It is a balanced prime because it is at equal distance from previous prime (4394538961) and next prime (4394539033).

It can be written as a sum of positive squares in only one way, i.e., 4325166756 + 69372241 = 65766^2 + 8329^2 .

It is a cyclic number.

It is not a de Polignac number, because 4394538997 - 2¹⁵ = 4394506229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4394538697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2197269498 + 2197269499.

It is an arithmetic number, because the mean of its divisors is an integer number (2197269499).

Almost surely, 2^4394538997 is an apocalyptic number.

It is an amenable number.

4394538997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4394538997 is an equidigital number, since it uses as much as digits as its factorization.

4394538997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29393280, while the sum is 61.

The square root of 4394538997 is about 66291.3191677462. The cubic root of 4394538997 is about 1637.9643338871.

The spelling of 4394538997 in words is "four billion, three hundred ninety-four million, five hundred thirty-eight thousand, nine hundred ninety-seven".