4644362741761 has 2 divisors, whose sum is σ = 4644362741762. Its totient is φ = 4644362741760.

The previous prime is 4644362741743. The next prime is 4644362741773. The reversal of 4644362741761 is 1671472634464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4479826233600 + 164536508161 = 2116560^2 + 405631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4644362741761 is a prime.

It is a super-2 number, since 2×4644362741761² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4644362741861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322181370880 + 2322181370881.

It is an arithmetic number, because the mean of its divisors is an integer number (2322181370881).

Almost surely, 2^{4644362741761} is an apocalyptic number.

It is an amenable number.

4644362741761 is a deficient number, since it is larger than the sum of its proper divisors (1).

4644362741761 is an equidigital number, since it uses as much as digits as its factorization.

4644362741761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024, while the sum is 55.

The spelling of 4644362741761 in words is "four trillion, six hundred forty-four billion, three hundred sixty-two million, seven hundred forty-one thousand, seven hundred sixty-one".