3205605612047 has 2 divisors, whose sum is σ = 3205605612048. Its totient is φ = 3205605612046.

The previous prime is 3205605612023. The next prime is 3205605612059. The reversal of 3205605612047 is 7402165065023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3205605612047 - 2²⁴ = 3205588834831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3205605611995 and 3205605612013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3205605612947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602802806023 + 1602802806024.

It is an arithmetic number, because the mean of its divisors is an integer number (1602802806024).

Almost surely, 2^{3205605612047} is an apocalyptic number.

3205605612047 is a deficient number, since it is larger than the sum of its proper divisors (1).

3205605612047 is an equidigital number, since it uses as much as digits as its factorization.

3205605612047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 3205605612047 in words is "three trillion, two hundred five billion, six hundred five million, six hundred twelve thousand, forty-seven".