599401109 has 2 divisors, whose sum is σ = 599401110. Its totient is φ = 599401108.

The previous prime is 599401097. The next prime is 599401129. The reversal of 599401109 is 901104995.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 468939025 + 130462084 = 21655^2 + 11422^2 .

It is a cyclic number.

It is not a de Polignac number, because 599401109 - 2¹² = 599397013 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (599401129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299700554 + 299700555.

It is an arithmetic number, because the mean of its divisors is an integer number (299700555).

Almost surely, 2^599401109 is an apocalyptic number.

It is an amenable number.

599401109 is a deficient number, since it is larger than the sum of its proper divisors (1).

599401109 is an equidigital number, since it uses as much as digits as its factorization.

599401109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 599401109 is about 24482.6695644082. The cubic root of 599401109 is about 843.1519473078.

The spelling of 599401109 in words is "five hundred ninety-nine million, four hundred one thousand, one hundred nine".