6631441373 has 2 divisors, whose sum is σ = 6631441374. Its totient is φ = 6631441372.

The previous prime is 6631441361. The next prime is 6631441387. The reversal of 6631441373 is 3731441366.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4802767204 + 1828674169 = 69302^2 + 42763^2 .

It is a cyclic number.

It is not a de Polignac number, because 6631441373 - 2⁴ = 6631441357 is a prime.

It is a super-2 number, since 2×6631441373² = 87952029367072250258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6631440373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3315720686 + 3315720687.

It is an arithmetic number, because the mean of its divisors is an integer number (3315720687).

Almost surely, 2^6631441373 is an apocalyptic number.

It is an amenable number.

6631441373 is a deficient number, since it is larger than the sum of its proper divisors (1).

6631441373 is an equidigital number, since it uses as much as digits as its factorization.

6631441373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 38.

The square root of 6631441373 is about 81433.6624068941. The cubic root of 6631441373 is about 1878.7513752289.

The spelling of 6631441373 in words is "six billion, six hundred thirty-one million, four hundred forty-one thousand, three hundred seventy-three".