1353209047 has 2 divisors, whose sum is σ = 1353209048. Its totient is φ = 1353209046.

The previous prime is 1353209041. The next prime is 1353209087. The reversal of 1353209047 is 7409023531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1353209047 - 2⁷ = 1353208919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1353209041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676604523 + 676604524.

It is an arithmetic number, because the mean of its divisors is an integer number (676604524).

Almost surely, 2^1353209047 is an apocalyptic number.

1353209047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1353209047 is an equidigital number, since it uses as much as digits as its factorization.

1353209047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 1353209047 is about 36785.9898194951. The cubic root of 1353209047 is about 1106.0844773810.

The spelling of 1353209047 in words is "one billion, three hundred fifty-three million, two hundred nine thousand, forty-seven".