1209533472047 has 2 divisors, whose sum is σ = 1209533472048. Its totient is φ = 1209533472046.

The previous prime is 1209533471917. The next prime is 1209533472053. The reversal of 1209533472047 is 7402743359021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1209533472047 - 2²⁰ = 1209532423471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1209533471992 and 1209533472010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1209533474047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 604766736023 + 604766736024.

It is an arithmetic number, because the mean of its divisors is an integer number (604766736024).

Almost surely, 2^{1209533472047} is an apocalyptic number.

1209533472047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1209533472047 is an equidigital number, since it uses as much as digits as its factorization.

1209533472047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 1209533472047 in words is "one trillion, two hundred nine billion, five hundred thirty-three million, four hundred seventy-two thousand, forty-seven".