1030389947 has 2 divisors, whose sum is σ = 1030389948. Its totient is φ = 1030389946.

The previous prime is 1030389929. The next prime is 1030389959. The reversal of 1030389947 is 7499830301.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1030389947 - 2¹⁰ = 1030388923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1030389898 and 1030389907.

It is not a weakly prime, because it can be changed into another prime (1030389847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515194973 + 515194974.

It is an arithmetic number, because the mean of its divisors is an integer number (515194974).

Almost surely, 2^1030389947 is an apocalyptic number.

1030389947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030389947 is an equidigital number, since it uses as much as digits as its factorization.

1030389947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 1030389947 is about 32099.6876464554. The cubic root of 1030389947 is about 1010.0290639612.

The spelling of 1030389947 in words is "one billion, thirty million, three hundred eighty-nine thousand, nine hundred forty-seven".