2078368313 has 4 divisors (see below), whose sum is σ = 2375278080. Its totient is φ = 1781458548.

The previous prime is 2078368307. The next prime is 2078368367. The reversal of 2078368313 is 3138638702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2078368313 - 2⁶ = 2078368249 is a prime.

It is a super-2 number, since 2×2078368313² = 8639229688964931938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2078362313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148454873 + ... + 148454886.

It is an arithmetic number, because the mean of its divisors is an integer number (593819520).

Almost surely, 2^2078368313 is an apocalyptic number.

It is an amenable number.

2078368313 is a deficient number, since it is larger than the sum of its proper divisors (296909767).

2078368313 is an equidigital number, since it uses as much as digits as its factorization.

2078368313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296909766.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 2078368313 is about 45589.1249422491. The cubic root of 2078368313 is about 1276.1669824103.

The spelling of 2078368313 in words is "two billion, seventy-eight million, three hundred sixty-eight thousand, three hundred thirteen".