2245778923559 has 4 divisors (see below), whose sum is σ = 2246447114640. Its totient is φ = 2245110732480.

The previous prime is 2245778923543. The next prime is 2245778923613. The reversal of 2245778923559 is 9553298775422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2245778923559 - 2⁴ = 2245778923543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245778923159) 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 in 3 ways as a sum of consecutive naturals, for example, 334090499 + ... + 334097220.

It is an arithmetic number, because the mean of its divisors is an integer number (561611778660).

Almost surely, 2^{2245778923559} is an apocalyptic number.

2245778923559 is a deficient number, since it is larger than the sum of its proper divisors (668191081).

2245778923559 is an equidigital number, since it uses as much as digits as its factorization.

2245778923559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668191080.

The product of its digits is 381024000, while the sum is 68.

The spelling of 2245778923559 in words is "two trillion, two hundred forty-five billion, seven hundred seventy-eight million, nine hundred twenty-three thousand, five hundred fifty-nine".