1061619089 has 2 divisors, whose sum is σ = 1061619090. Its totient is φ = 1061619088.

The previous prime is 1061619079. The next prime is 1061619101. The reversal of 1061619089 is 9809161601.

It is a happy number.

1061619089 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., 624600064 + 437019025 = 24992^2 + 20905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061619089 is a prime.

It is a super-2 number, since 2×1061619089² = 2254070180258379842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1061619079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530809544 + 530809545.

It is an arithmetic number, because the mean of its divisors is an integer number (530809545).

Almost surely, 2^1061619089 is an apocalyptic number.

It is an amenable number.

1061619089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061619089 is an equidigital number, since it uses as much as digits as its factorization.

1061619089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 1061619089 is about 32582.4966661550. The cubic root of 1061619089 is about 1020.1316916343.

The spelling of 1061619089 in words is "one billion, sixty-one million, six hundred nineteen thousand, eighty-nine".