6906325649 has 2 divisors, whose sum is σ = 6906325650. Its totient is φ = 6906325648.

The previous prime is 6906325627. The next prime is 6906325663. The reversal of 6906325649 is 9465236096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6469306624 + 437019025 = 80432^2 + 20905^2 .

It is a cyclic number.

It is not a de Polignac number, because 6906325649 - 2²⁴ = 6889548433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6906325597 and 6906325606.

It is not a weakly prime, because it can be changed into another prime (6906325609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3453162824 + 3453162825.

It is an arithmetic number, because the mean of its divisors is an integer number (3453162825).

Almost surely, 2^6906325649 is an apocalyptic number.

It is an amenable number.

6906325649 is a deficient number, since it is larger than the sum of its proper divisors (1).

6906325649 is an equidigital number, since it uses as much as digits as its factorization.

6906325649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2099520, while the sum is 50.

The square root of 6906325649 is about 83104.3058391080. The cubic root of 6906325649 is about 1904.3598539856.

The spelling of 6906325649 in words is "six billion, nine hundred six million, three hundred twenty-five thousand, six hundred forty-nine".