6654396251 has 2 divisors, whose sum is σ = 6654396252. Its totient is φ = 6654396250.

The previous prime is 6654396209. The next prime is 6654396283. The reversal of 6654396251 is 1526934566.

6654396251 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6654396251 - 2⁶ = 6654396187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6654396196 and 6654396205.

It is not a weakly prime, because it can be changed into another prime (6654396451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3327198125 + 3327198126.

It is an arithmetic number, because the mean of its divisors is an integer number (3327198126).

Almost surely, 2^6654396251 is an apocalyptic number.

6654396251 is a deficient number, since it is larger than the sum of its proper divisors (1).

6654396251 is an equidigital number, since it uses as much as digits as its factorization.

6654396251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 47.

The square root of 6654396251 is about 81574.4828423693. The cubic root of 6654396251 is about 1880.9166582871.

The spelling of 6654396251 in words is "six billion, six hundred fifty-four million, three hundred ninety-six thousand, two hundred fifty-one".