1051004989 has 2 divisors, whose sum is σ = 1051004990. Its totient is φ = 1051004988.

The previous prime is 1051004963. The next prime is 1051005041. The reversal of 1051004989 is 9894001501.

1051004989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 928725625 + 122279364 = 30475^2 + 11058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051004989 is a prime.

It is a super-2 number, since 2×1051004989² = 2209222973805780242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051004909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525502494 + 525502495.

It is an arithmetic number, because the mean of its divisors is an integer number (525502495).

Almost surely, 2^1051004989 is an apocalyptic number.

It is an amenable number.

1051004989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051004989 is an equidigital number, since it uses as much as digits as its factorization.

1051004989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 1051004989 is about 32419.2071001127. The cubic root of 1051004989 is about 1016.7205287000.

The spelling of 1051004989 in words is "one billion, fifty-one million, four thousand, nine hundred eighty-nine".