1006358789 has 2 divisors, whose sum is σ = 1006358790. Its totient is φ = 1006358788.

The previous prime is 1006358777. The next prime is 1006358831. The reversal of 1006358789 is 9878536001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1000646689 + 5712100 = 31633^2 + 2390^2 .

It is a cyclic number.

It is not a de Polignac number, because 1006358789 - 2²⁴ = 989581573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1006358989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503179394 + 503179395.

It is an arithmetic number, because the mean of its divisors is an integer number (503179395).

Almost surely, 2^1006358789 is an apocalyptic number.

It is an amenable number.

1006358789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006358789 is an equidigital number, since it uses as much as digits as its factorization.

1006358789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 1006358789 is about 31723.1585596390. The cubic root of 1006358789 is about 1002.1151194489.

The spelling of 1006358789 in words is "one billion, six million, three hundred fifty-eight thousand, seven hundred eighty-nine".