208052663313 has 16 divisors (see below), whose sum is σ = 302636869056. Its totient is φ = 126086351040.

The previous prime is 208052663311. The next prime is 208052663327. The reversal of 208052663313 is 313366250802.

It is not a de Polignac number, because 208052663313 - 2¹ = 208052663311 is a prime.

It is a super-2 number, since 2×208052663313² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (208052663311) 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 15 ways as a sum of consecutive naturals, for example, 582595 + ... + 869207.

It is an arithmetic number, because the mean of its divisors is an integer number (18914804316).

Almost surely, 2^208052663313 is an apocalyptic number.

It is an amenable number.

208052663313 is a deficient number, since it is larger than the sum of its proper divisors (94584205743).

208052663313 is a wasteful number, since it uses less digits than its factorization.

208052663313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308624.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 208052663313 in words is "two hundred eight billion, fifty-two million, six hundred sixty-three thousand, three hundred thirteen".