1011734489 has 2 divisors, whose sum is σ = 1011734490. Its totient is φ = 1011734488.

The previous prime is 1011734461. The next prime is 1011734509. The reversal of 1011734489 is 9844371101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1003939225 + 7795264 = 31685^2 + 2792^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011734489 - 2¹² = 1011730393 is a prime.

It is a super-2 number, since 2×1011734489² = 2047213352464182242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1011734429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505867244 + 505867245.

It is an arithmetic number, because the mean of its divisors is an integer number (505867245).

Almost surely, 2^1011734489 is an apocalyptic number.

It is an amenable number.

1011734489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011734489 is an equidigital number, since it uses as much as digits as its factorization.

1011734489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1011734489 is about 31807.7740340314. The cubic root of 1011734489 is about 1003.8962954980.

The spelling of 1011734489 in words is "one billion, eleven million, seven hundred thirty-four thousand, four hundred eighty-nine".