1004564477947 has 2 divisors, whose sum is σ = 1004564477948. Its totient is φ = 1004564477946.

The previous prime is 1004564477941. The next prime is 1004564477963. The reversal of 1004564477947 is 7497744654001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1004564477947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1004564477891 and 1004564477900.

It is not a weakly prime, because it can be changed into another prime (1004564477941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502282238973 + 502282238974.

It is an arithmetic number, because the mean of its divisors is an integer number (502282238974).

Almost surely, 2^{1004564477947} is an apocalyptic number.

1004564477947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004564477947 is an equidigital number, since it uses as much as digits as its factorization.

1004564477947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23708160, while the sum is 58.

The spelling of 1004564477947 in words is "one trillion, four billion, five hundred sixty-four million, four hundred seventy-seven thousand, nine hundred forty-seven".