2285078873513 has 4 divisors (see below), whose sum is σ = 2288196307908. Its totient is φ = 2281961439120.

The previous prime is 2285078873477. The next prime is 2285078873563. The reversal of 2285078873513 is 3153788705822.

It is a happy number.

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 1212172374169 + 1072906499344 = 1100987^2 + 1035812^2 .

It is a cyclic number.

It is not a de Polignac number, because 2285078873513 - 2¹² = 2285078869417 is a prime.

It is a super-2 number, since 2×2285078873513² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2285078873563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1558716098 + ... + 1558717563.

It is an arithmetic number, because the mean of its divisors is an integer number (572049076977).

Almost surely, 2^{2285078873513} is an apocalyptic number.

It is an amenable number.

2285078873513 is a deficient number, since it is larger than the sum of its proper divisors (3117434395).

2285078873513 is an equidigital number, since it uses as much as digits as its factorization.

2285078873513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117434394.

The product of its (nonzero) digits is 22579200, while the sum is 59.

The spelling of 2285078873513 in words is "two trillion, two hundred eighty-five billion, seventy-eight million, eight hundred seventy-three thousand, five hundred thirteen".