2145201599 has 2 divisors, whose sum is σ = 2145201600. Its totient is φ = 2145201598.

The previous prime is 2145201533. The next prime is 2145201607. The reversal of 2145201599 is 9951025412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2145201599 - 2⁸ = 2145201343 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145201299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072600799 + 1072600800.

It is an arithmetic number, because the mean of its divisors is an integer number (1072600800).

Almost surely, 2^2145201599 is an apocalyptic number.

2145201599 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145201599 is an equidigital number, since it uses as much as digits as its factorization.

2145201599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 2145201599 is about 46316.3210866321. The cubic root of 2145201599 is about 1289.7019921353.

The spelling of 2145201599 in words is "two billion, one hundred forty-five million, two hundred one thousand, five hundred ninety-nine".