4394411358481 has 8 divisors (see below), whose sum is σ = 4766391660744. Its totient is φ = 4035040558080.

The previous prime is 4394411358431. The next prime is 4394411358511. The reversal of 4394411358481 is 1848531144934.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 822859437456 + 3571551921025 = 907116^2 + 1889855^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4394411358481 - 2¹³ = 4394411350289 is a prime.

It is a super-2 number, since 2×4394411358481² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4394411358431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3152374740 + ... + 3152376133.

It is an arithmetic number, because the mean of its divisors is an integer number (595798957593).

Almost surely, 2^{4394411358481} is an apocalyptic number.

4394411358481 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4394411358481 is a deficient number, since it is larger than the sum of its proper divisors (371980302263).

4394411358481 is a wasteful number, since it uses less digits than its factorization.

4394411358481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6304750931.

The product of its digits is 6635520, while the sum is 55.

The spelling of 4394411358481 in words is "four trillion, three hundred ninety-four billion, four hundred eleven million, three hundred fifty-eight thousand, four hundred eighty-one".