65370250273 has 2 divisors, whose sum is σ = 65370250274. Its totient is φ = 65370250272.

The previous prime is 65370250249. The next prime is 65370250289. The reversal of 65370250273 is 37205207356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64511936064 + 858314209 = 253992^2 + 29297^2 .

It is a cyclic number.

It is not a de Polignac number, because 65370250273 - 2⁹ = 65370249761 is a prime.

It is not a weakly prime, because it can be changed into another prime (65370250243) 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, 32685125136 + 32685125137.

It is an arithmetic number, because the mean of its divisors is an integer number (32685125137).

Almost surely, 2^65370250273 is an apocalyptic number.

It is an amenable number.

65370250273 is a deficient number, since it is larger than the sum of its proper divisors (1).

65370250273 is an equidigital number, since it uses as much as digits as its factorization.

65370250273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 264600, while the sum is 40.

The spelling of 65370250273 in words is "sixty-five billion, three hundred seventy million, two hundred fifty thousand, two hundred seventy-three".