1630703047 has 2 divisors, whose sum is σ = 1630703048. Its totient is φ = 1630703046.

The previous prime is 1630703033. The next prime is 1630703051. The reversal of 1630703047 is 7403070361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1630703047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1630703077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815351523 + 815351524.

It is an arithmetic number, because the mean of its divisors is an integer number (815351524).

Almost surely, 2^1630703047 is an apocalyptic number.

1630703047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630703047 is an equidigital number, since it uses as much as digits as its factorization.

1630703047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 1630703047 is about 40381.9643776773. The cubic root of 1630703047 is about 1177.0410992709.

The spelling of 1630703047 in words is "one billion, six hundred thirty million, seven hundred three thousand, forty-seven".