257022654073 has 2 divisors, whose sum is σ = 257022654074. Its totient is φ = 257022654072.

The previous prime is 257022654047. The next prime is 257022654131. The reversal of 257022654073 is 370456220752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219484754064 + 37537900009 = 468492^2 + 193747^2 .

It is a cyclic number.

It is not a de Polignac number, because 257022654073 - 2²⁹ = 256485783161 is a prime.

It is not a weakly prime, because it can be changed into another prime (257022654773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128511327036 + 128511327037.

It is an arithmetic number, because the mean of its divisors is an integer number (128511327037).

Almost surely, 2^257022654073 is an apocalyptic number.

It is an amenable number.

257022654073 is a deficient number, since it is larger than the sum of its proper divisors (1).

257022654073 is an equidigital number, since it uses as much as digits as its factorization.

257022654073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 43.

The spelling of 257022654073 in words is "two hundred fifty-seven billion, twenty-two million, six hundred fifty-four thousand, seventy-three".