274857525359993 has 2 divisors, whose sum is σ = 274857525359994. Its totient is φ = 274857525359992.

The previous prime is 274857525359987. The next prime is 274857525360023. The reversal of 274857525359993 is 399953525758472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200896974958969 + 73960550401024 = 14173813^2 + 8600032^2 .

It is a cyclic number.

It is not a de Polignac number, because 274857525359993 - 2³⁶ = 274788805883257 is a prime.

It is not a weakly prime, because it can be changed into another prime (274857525359293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137428762679996 + 137428762679997.

It is an arithmetic number, because the mean of its divisors is an integer number (137428762679997).

Almost surely, 2^{274857525359993} is an apocalyptic number.

It is an amenable number.

274857525359993 is a deficient number, since it is larger than the sum of its proper divisors (1).

274857525359993 is an equidigital number, since it uses as much as digits as its factorization.

274857525359993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25719120000, while the sum is 83.

The spelling of 274857525359993 in words is "two hundred seventy-four trillion, eight hundred fifty-seven billion, five hundred twenty-five million, three hundred fifty-nine thousand, nine hundred ninety-three".