257046062606353 has 2 divisors, whose sum is σ = 257046062606354. Its totient is φ = 257046062606352.

The previous prime is 257046062606327. The next prime is 257046062606381. The reversal of 257046062606353 is 353606260640752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238255987704849 + 18790074901504 = 15435543^2 + 4334752^2 .

It is a cyclic number.

It is not a de Polignac number, because 257046062606353 - 2⁵ = 257046062606321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 257046062606294 and 257046062606303.

It is not a weakly prime, because it can be changed into another prime (257046062606383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128523031303176 + 128523031303177.

It is an arithmetic number, because the mean of its divisors is an integer number (128523031303177).

Almost surely, 2^{257046062606353} is an apocalyptic number.

It is an amenable number.

257046062606353 is a deficient number, since it is larger than the sum of its proper divisors (1).

257046062606353 is an equidigital number, since it uses as much as digits as its factorization.

257046062606353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32659200, while the sum is 55.

The spelling of 257046062606353 in words is "two hundred fifty-seven trillion, forty-six billion, sixty-two million, six hundred six thousand, three hundred fifty-three".