6441372731446 has 32 divisors (see below), whose sum is σ = 9830318319360. Its totient is φ = 3164707648800.

The previous prime is 6441372731401. The next prime is 6441372731461.

6441372731446 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×6441372731446² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6441372731393 and 6441372731402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 932582725 + ... + 932589631.

It is an arithmetic number, because the mean of its divisors is an integer number (307197447480).

Almost surely, 2^{6441372731446} is an apocalyptic number.

6441372731446 is a deficient number, since it is larger than the sum of its proper divisors (3388945587914).

6441372731446 is a wasteful number, since it uses less digits than its factorization.

6441372731446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13540.

The product of its digits is 8128512, while the sum is 52.

The spelling of 6441372731446 in words is "six trillion, four hundred forty-one billion, three hundred seventy-two million, seven hundred thirty-one thousand, four hundred forty-six".