4544725722461 has 2 divisors, whose sum is σ = 4544725722462. Its totient is φ = 4544725722460.

The previous prime is 4544725722421. The next prime is 4544725722479. The reversal of 4544725722461 is 1642275274454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2405892596836 + 2138833125625 = 1551094^2 + 1462475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4544725722461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4544725722401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272362861230 + 2272362861231.

It is an arithmetic number, because the mean of its divisors is an integer number (2272362861231).

Almost surely, 2^{4544725722461} is an apocalyptic number.

It is an amenable number.

4544725722461 is a deficient number, since it is larger than the sum of its proper divisors (1).

4544725722461 is an equidigital number, since it uses as much as digits as its factorization.

4544725722461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15052800, while the sum is 53.

The spelling of 4544725722461 in words is "four trillion, five hundred forty-four billion, seven hundred twenty-five million, seven hundred twenty-two thousand, four hundred sixty-one".