1089650417 has 2 divisors, whose sum is σ = 1089650418. Its totient is φ = 1089650416.

The previous prime is 1089650383. The next prime is 1089650423. The reversal of 1089650417 is 7140569801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 928969441 + 160680976 = 30479^2 + 12676^2 .

It is a cyclic number.

It is not a de Polignac number, because 1089650417 - 2²⁰ = 1088601841 is a prime.

It is not a weakly prime, because it can be changed into another prime (1089650447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544825208 + 544825209.

It is an arithmetic number, because the mean of its divisors is an integer number (544825209).

Almost surely, 2^1089650417 is an apocalyptic number.

It is an amenable number.

1089650417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089650417 is an equidigital number, since it uses as much as digits as its factorization.

1089650417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 1089650417 is about 33009.8533319977. The cubic root of 1089650417 is about 1029.0324331833.

The spelling of 1089650417 in words is "one billion, eighty-nine million, six hundred fifty thousand, four hundred seventeen".