1473725645261 has 2 divisors, whose sum is σ = 1473725645262. Its totient is φ = 1473725645260.

The previous prime is 1473725645153. The next prime is 1473725645267. The reversal of 1473725645261 is 1625465273741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1128681011236 + 345044634025 = 1062394^2 + 587405^2 .

It is an emirp because it is prime and its reverse (1625465273741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1473725645261 - 2²⁶ = 1473658536397 is a prime.

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 (1473725645267) 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, 736862822630 + 736862822631.

It is an arithmetic number, because the mean of its divisors is an integer number (736862822631).

Almost surely, 2^{1473725645261} is an apocalyptic number.

It is an amenable number.

1473725645261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1473725645261 is an equidigital number, since it uses as much as digits as its factorization.

1473725645261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8467200, while the sum is 53.

The spelling of 1473725645261 in words is "one trillion, four hundred seventy-three billion, seven hundred twenty-five million, six hundred forty-five thousand, two hundred sixty-one".