4293561947 has 2 divisors, whose sum is σ = 4293561948. Its totient is φ = 4293561946.

The previous prime is 4293561931. The next prime is 4293561949. The reversal of 4293561947 is 7491653924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4293561947 - 2⁴ = 4293561931 is a prime.

Together with 4293561949, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4293561895 and 4293561904.

It is not a weakly prime, because it can be changed into another prime (4293561949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2146780973 + 2146780974.

It is an arithmetic number, because the mean of its divisors is an integer number (2146780974).

Almost surely, 2^4293561947 is an apocalyptic number.

4293561947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4293561947 is an equidigital number, since it uses as much as digits as its factorization.

4293561947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 50.

The square root of 4293561947 is about 65525.2771608026. The cubic root of 4293561947 is about 1625.3213656485.

The spelling of 4293561947 in words is "four billion, two hundred ninety-three million, five hundred sixty-one thousand, nine hundred forty-seven".