65373810253 has 2 divisors, whose sum is σ = 65373810254. Its totient is φ = 65373810252.

The previous prime is 65373810217. The next prime is 65373810287. The reversal of 65373810253 is 35201837356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56909442249 + 8464368004 = 238557^2 + 92002^2 .

It is a cyclic number.

It is not a de Polignac number, because 65373810253 - 2²⁵ = 65340255821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65373810053) 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, 32686905126 + 32686905127.

It is an arithmetic number, because the mean of its divisors is an integer number (32686905127).

Almost surely, 2^65373810253 is an apocalyptic number.

It is an amenable number.

65373810253 is a deficient number, since it is larger than the sum of its proper divisors (1).

65373810253 is an equidigital number, since it uses as much as digits as its factorization.

65373810253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 65373810253 in words is "sixty-five billion, three hundred seventy-three million, eight hundred ten thousand, two hundred fifty-three".