268627471873 has 2 divisors, whose sum is σ = 268627471874. Its totient is φ = 268627471872.

The previous prime is 268627471841. The next prime is 268627471883. The reversal of 268627471873 is 378174726862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250288082944 + 18339388929 = 500288^2 + 135423^2 .

It is a cyclic number.

It is not a de Polignac number, because 268627471873 - 2⁵ = 268627471841 is a prime.

It is a super-2 number, since 2×268627471873² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (268627471883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134313735936 + 134313735937.

It is an arithmetic number, because the mean of its divisors is an integer number (134313735937).

Almost surely, 2^268627471873 is an apocalyptic number.

It is an amenable number.

268627471873 is a deficient number, since it is larger than the sum of its proper divisors (1).

268627471873 is an equidigital number, since it uses as much as digits as its factorization.

268627471873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37933056, while the sum is 61.

The spelling of 268627471873 in words is "two hundred sixty-eight billion, six hundred twenty-seven million, four hundred seventy-one thousand, eight hundred seventy-three".