4444383777461 has 2 divisors, whose sum is σ = 4444383777462. Its totient is φ = 4444383777460.

The previous prime is 4444383777419. The next prime is 4444383777473. The reversal of 4444383777461 is 1647773834444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4384128256561 + 60255520900 = 2093831^2 + 245470^2 .

It is a cyclic number.

It is not a de Polignac number, because 4444383777461 - 2⁴² = 46337266357 is a prime.

It is a super-2 number, since 2×4444383777461² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4444383777394 and 4444383777403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4444383777401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222191888730 + 2222191888731.

It is an arithmetic number, because the mean of its divisors is an integer number (2222191888731).

Almost surely, 2^{4444383777461} is an apocalyptic number.

It is an amenable number.

4444383777461 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444383777461 is an equidigital number, since it uses as much as digits as its factorization.

4444383777461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151732224, while the sum is 62.

The spelling of 4444383777461 in words is "four trillion, four hundred forty-four billion, three hundred eighty-three million, seven hundred seventy-seven thousand, four hundred sixty-one".