6631651043 has 2 divisors, whose sum is σ = 6631651044. Its totient is φ = 6631651042.

The previous prime is 6631651031. The next prime is 6631651063. The reversal of 6631651043 is 3401561366.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6631651043 - 2⁸ = 6631650787 is a prime.

It is a super-2 number, since 2×6631651043² = 87957591112245975698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6631650994 and 6631651012.

It is not a weakly prime, because it can be changed into another prime (6631651003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3315825521 + 3315825522.

It is an arithmetic number, because the mean of its divisors is an integer number (3315825522).

Almost surely, 2^6631651043 is an apocalyptic number.

6631651043 is a deficient number, since it is larger than the sum of its proper divisors (1).

6631651043 is an equidigital number, since it uses as much as digits as its factorization.

6631651043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 6631651043 is about 81434.9497635997. The cubic root of 6631651043 is about 1878.7711755321.

The spelling of 6631651043 in words is "six billion, six hundred thirty-one million, six hundred fifty-one thousand, forty-three".