2388925442909 has 2 divisors, whose sum is σ = 2388925442910. Its totient is φ = 2388925442908.

The previous prime is 2388925442819. The next prime is 2388925442929. The reversal of 2388925442909 is 9092445298832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1357218010009 + 1031707432900 = 1164997^2 + 1015730^2 .

It is a cyclic number.

It is not a de Polignac number, because 2388925442909 - 2¹² = 2388925438813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2388925442929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194462721454 + 1194462721455.

It is an arithmetic number, because the mean of its divisors is an integer number (1194462721455).

Almost surely, 2^{2388925442909} is an apocalyptic number.

It is an amenable number.

2388925442909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2388925442909 is an equidigital number, since it uses as much as digits as its factorization.

2388925442909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89579520, while the sum is 65.

The spelling of 2388925442909 in words is "two trillion, three hundred eighty-eight billion, nine hundred twenty-five million, four hundred forty-two thousand, nine hundred nine".