444140134253 has 2 divisors, whose sum is σ = 444140134254. Its totient is φ = 444140134252.

The previous prime is 444140134219. The next prime is 444140134259. The reversal of 444140134253 is 352431041444.

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., 411365738884 + 32774395369 = 641378^2 + 181037^2 .

It is a cyclic number.

It is not a de Polignac number, because 444140134253 - 2³⁶ = 375420657517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444140134259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222070067126 + 222070067127.

It is an arithmetic number, because the mean of its divisors is an integer number (222070067127).

Almost surely, 2^444140134253 is an apocalyptic number.

It is an amenable number.

444140134253 is a deficient number, since it is larger than the sum of its proper divisors (1).

444140134253 is an equidigital number, since it uses as much as digits as its factorization.

444140134253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 444140134253 its reverse (352431041444), we get a palindrome (796571175697).

The spelling of 444140134253 in words is "four hundred forty-four billion, one hundred forty million, one hundred thirty-four thousand, two hundred fifty-three".