6630967457 has 2 divisors, whose sum is σ = 6630967458. Its totient is φ = 6630967456.

The previous prime is 6630967423. The next prime is 6630967477. The reversal of 6630967457 is 7547690366.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6084156001 + 546811456 = 78001^2 + 23384^2 .

It is a cyclic number.

It is not a de Polignac number, because 6630967457 - 2⁶ = 6630967393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6630967399 and 6630967408.

It is not a weakly prime, because it can be changed into another prime (6630967417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3315483728 + 3315483729.

It is an arithmetic number, because the mean of its divisors is an integer number (3315483729).

Almost surely, 2^6630967457 is an apocalyptic number.

It is an amenable number.

6630967457 is a deficient number, since it is larger than the sum of its proper divisors (1).

6630967457 is an equidigital number, since it uses as much as digits as its factorization.

6630967457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5715360, while the sum is 53.

The square root of 6630967457 is about 81430.7525263030. The cubic root of 6630967457 is about 1878.7066191697.

The spelling of 6630967457 in words is "six billion, six hundred thirty million, nine hundred sixty-seven thousand, four hundred fifty-seven".