2600385812 has 6 divisors (see below), whose sum is σ = 4550675178. Its totient is φ = 1300192904.

The previous prime is 2600385791. The next prime is 2600385839. The reversal of 2600385812 is 2185830062.

It can be written as a sum of positive squares in only one way, i.e., 2569070596 + 31315216 = 50686^2 + 5596^2 .

It is a super-3 number, since 3×2600385812³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 325048223 + ... + 325048230.

It is an arithmetic number, because the mean of its divisors is an integer number (758445863).

Almost surely, 2^2600385812 is an apocalyptic number.

It is an amenable number.

2600385812 is a deficient number, since it is larger than the sum of its proper divisors (1950289366).

2600385812 is a wasteful number, since it uses less digits than its factorization.

2600385812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650096457 (or 650096455 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2600385812 is about 50993.9781935083. The cubic root of 2600385812 is about 1375.1368788473.

The spelling of 2600385812 in words is "two billion, six hundred million, three hundred eighty-five thousand, eight hundred twelve".