544254200261 has 2 divisors, whose sum is σ = 544254200262. Its totient is φ = 544254200260.

The previous prime is 544254200219. The next prime is 544254200339. The reversal of 544254200261 is 162002452445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301692040225 + 242562160036 = 549265^2 + 492506^2 .

It is a cyclic number.

It is not a de Polignac number, because 544254200261 - 2¹⁸ = 544253938117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544254500261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272127100130 + 272127100131.

It is an arithmetic number, because the mean of its divisors is an integer number (272127100131).

Almost surely, 2^544254200261 is an apocalyptic number.

It is an amenable number.

544254200261 is a deficient number, since it is larger than the sum of its proper divisors (1).

544254200261 is an equidigital number, since it uses as much as digits as its factorization.

544254200261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 544254200261 in words is "five hundred forty-four billion, two hundred fifty-four million, two hundred thousand, two hundred sixty-one".