4455845556947 has 2 divisors, whose sum is σ = 4455845556948. Its totient is φ = 4455845556946.

The previous prime is 4455845556931. The next prime is 4455845556979. The reversal of 4455845556947 is 7496555485544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4455845556947 - 2⁴ = 4455845556931 is a prime.

It is not a weakly prime, because it can be changed into another prime (4455845556917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227922778473 + 2227922778474.

It is an arithmetic number, because the mean of its divisors is an integer number (2227922778474).

Almost surely, 2^{4455845556947} is an apocalyptic number.

4455845556947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4455845556947 is an equidigital number, since it uses as much as digits as its factorization.

4455845556947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200000, while the sum is 71.

The spelling of 4455845556947 in words is "four trillion, four hundred fifty-five billion, eight hundred forty-five million, five hundred fifty-six thousand, nine hundred forty-seven".