263370220373745 has 20 divisors (see below), whose sum is σ = 472115506152180. Its totient is φ = 140464117532448.

The previous prime is 263370220373737. The next prime is 263370220373749. The reversal of 263370220373745 is 547373022073362.

263370220373745 is a `hidden beast` number, since 2 + 6 + 3 + 3 + 7 + 0 + 220 + 373 + 7 + 45 = 666.

263370220373745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35082023768064 + 228288196605681 = 5923008^2 + 15109209^2 .

It is not a de Polignac number, because 263370220373745 - 2³ = 263370220373737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263370220373691 and 263370220373700.

It is not an unprimeable number, because it can be changed into a prime (263370220373749) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 325148419810 + ... + 325148420619.

It is an arithmetic number, because the mean of its divisors is an integer number (23605775307609).

Almost surely, 2^{263370220373745} is an apocalyptic number.

It is an amenable number.

263370220373745 is a deficient number, since it is larger than the sum of its proper divisors (208745285778435).

263370220373745 is an equidigital number, since it uses as much as digits as its factorization.

263370220373745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650296840446 (or 650296840437 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 54.

The spelling of 263370220373745 in words is "two hundred sixty-three trillion, three hundred seventy billion, two hundred twenty million, three hundred seventy-three thousand, seven hundred forty-five".