4544151819761 has 2 divisors, whose sum is σ = 4544151819762. Its totient is φ = 4544151819760.

The previous prime is 4544151819679. The next prime is 4544151819821. The reversal of 4544151819761 is 1679181514454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3386685687025 + 1157466132736 = 1840295^2 + 1075856^2 .

It is a cyclic number.

It is not a de Polignac number, because 4544151819761 - 2³⁸ = 4269273912817 is a prime.

It is a super-2 number, since 2×4544151819761² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4544151819697 and 4544151819706.

It is not a weakly prime, because it can be changed into another prime (4544151219761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272075909880 + 2272075909881.

It is an arithmetic number, because the mean of its divisors is an integer number (2272075909881).

Almost surely, 2^{4544151819761} is an apocalyptic number.

It is an amenable number.

4544151819761 is a deficient number, since it is larger than the sum of its proper divisors (1).

4544151819761 is an equidigital number, since it uses as much as digits as its factorization.

4544151819761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4838400, while the sum is 56.

The spelling of 4544151819761 in words is "four trillion, five hundred forty-four billion, one hundred fifty-one million, eight hundred nineteen thousand, seven hundred sixty-one".