4280315644505 has 4 divisors (see below), whose sum is σ = 5136378773412. Its totient is φ = 3424252515600.

The previous prime is 4280315644453. The next prime is 4280315644511. The reversal of 4280315644505 is 5054465130824.

4280315644505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2162158503184 + 2118157141321 = 1470428^2 + 1455389^2 .

It is not a de Polignac number, because 4280315644505 - 2²⁰ = 4280314595929 is a prime.

It is a super-2 number, since 2×4280315644505² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4280315644505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428031564446 + ... + 428031564455.

It is an arithmetic number, because the mean of its divisors is an integer number (1284094693353).

Almost surely, 2^{4280315644505} is an apocalyptic number.

It is an amenable number.

4280315644505 is a deficient number, since it is larger than the sum of its proper divisors (856063128907).

4280315644505 is an equidigital number, since it uses as much as digits as its factorization.

4280315644505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856063128906.

The product of its (nonzero) digits is 2304000, while the sum is 47.

The spelling of 4280315644505 in words is "four trillion, two hundred eighty billion, three hundred fifteen million, six hundred forty-four thousand, five hundred five".