255402105274373 has 2 divisors, whose sum is σ = 255402105274374. Its totient is φ = 255402105274372.

The previous prime is 255402105274321. The next prime is 255402105274409. The reversal of 255402105274373 is 373472501204552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253063414073089 + 2338691201284 = 15907967^2 + 1529278^2 .

It is a cyclic number.

It is not a de Polignac number, because 255402105274373 - 2⁴⁶ = 185033361096709 is a prime.

It is a super-2 number, since 2×255402105274373² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255402105274073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127701052637186 + 127701052637187.

It is an arithmetic number, because the mean of its divisors is an integer number (127701052637187).

Almost surely, 2^{255402105274373} is an apocalyptic number.

It is an amenable number.

255402105274373 is a deficient number, since it is larger than the sum of its proper divisors (1).

255402105274373 is an equidigital number, since it uses as much as digits as its factorization.

255402105274373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056000, while the sum is 50.

The spelling of 255402105274373 in words is "two hundred fifty-five trillion, four hundred two billion, one hundred five million, two hundred seventy-four thousand, three hundred seventy-three".