6448861007 has 2 divisors, whose sum is σ = 6448861008. Its totient is φ = 6448861006.

The previous prime is 6448860997. The next prime is 6448861093. The reversal of 6448861007 is 7001688446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6448861007 - 2¹⁶ = 6448795471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6448864007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3224430503 + 3224430504.

It is an arithmetic number, because the mean of its divisors is an integer number (3224430504).

Almost surely, 2^6448861007 is an apocalyptic number.

6448861007 is a deficient number, since it is larger than the sum of its proper divisors (1).

6448861007 is an equidigital number, since it uses as much as digits as its factorization.

6448861007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 6448861007 is about 80304.8006472838. The cubic root of 6448861007 is about 1861.3484081942.

The spelling of 6448861007 in words is "six billion, four hundred forty-eight million, eight hundred sixty-one thousand, seven".