1130898649 has 2 divisors, whose sum is σ = 1130898650. Its totient is φ = 1130898648.

The previous prime is 1130898623. The next prime is 1130898709. The reversal of 1130898649 is 9468980311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1122719049 + 8179600 = 33507^2 + 2860^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130898649 - 2⁵ = 1130898617 is a prime.

It is not a weakly prime, because it can be changed into another prime (1130898619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565449324 + 565449325.

It is an arithmetic number, because the mean of its divisors is an integer number (565449325).

Almost surely, 2^1130898649 is an apocalyptic number.

It is an amenable number.

1130898649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130898649 is an equidigital number, since it uses as much as digits as its factorization.

1130898649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 1130898649 is about 33628.8365692303. The cubic root of 1130898649 is about 1041.8564748291.

The spelling of 1130898649 in words is "one billion, one hundred thirty million, eight hundred ninety-eight thousand, six hundred forty-nine".