6430548947 has 2 divisors, whose sum is σ = 6430548948. Its totient is φ = 6430548946.

The previous prime is 6430548899. The next prime is 6430548961. The reversal of 6430548947 is 7498450346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6430548947 - 2²⁴ = 6413771731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6430548895 and 6430548904.

It is not a weakly prime, because it can be changed into another prime (6430548997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215274473 + 3215274474.

It is an arithmetic number, because the mean of its divisors is an integer number (3215274474).

Almost surely, 2^6430548947 is an apocalyptic number.

6430548947 is a deficient number, since it is larger than the sum of its proper divisors (1).

6430548947 is an equidigital number, since it uses as much as digits as its factorization.

6430548947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The square root of 6430548947 is about 80190.7036195593. The cubic root of 6430548947 is about 1859.5849217341.

The spelling of 6430548947 in words is "six billion, four hundred thirty million, five hundred forty-eight thousand, nine hundred forty-seven".