1947563483 has 2 divisors, whose sum is σ = 1947563484. Its totient is φ = 1947563482.

The previous prime is 1947563459. The next prime is 1947563573. The reversal of 1947563483 is 3843657491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1947563483 - 2⁸ = 1947563227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1947563083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 973781741 + 973781742.

It is an arithmetic number, because the mean of its divisors is an integer number (973781742).

Almost surely, 2^1947563483 is an apocalyptic number.

1947563483 is a deficient number, since it is larger than the sum of its proper divisors (1).

1947563483 is an equidigital number, since it uses as much as digits as its factorization.

1947563483 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 50.

The square root of 1947563483 is about 44131.2075860156. The cubic root of 1947563483 is about 1248.8124151110.

The spelling of 1947563483 in words is "one billion, nine hundred forty-seven million, five hundred sixty-three thousand, four hundred eighty-three".