1046361689 has 2 divisors, whose sum is σ = 1046361690. Its totient is φ = 1046361688.

The previous prime is 1046361647. The next prime is 1046361691. The reversal of 1046361689 is 9861636401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 707985664 + 338376025 = 26608^2 + 18395^2 .

It is a cyclic number.

It is not a de Polignac number, because 1046361689 - 2¹² = 1046357593 is a prime.

Together with 1046361691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1046361619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523180844 + 523180845.

It is an arithmetic number, because the mean of its divisors is an integer number (523180845).

Almost surely, 2^1046361689 is an apocalyptic number.

It is an amenable number.

1046361689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1046361689 is an equidigital number, since it uses as much as digits as its factorization.

1046361689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 1046361689 is about 32347.5144176488. The cubic root of 1046361689 is about 1015.2210407802.

The spelling of 1046361689 in words is "one billion, forty-six million, three hundred sixty-one thousand, six hundred eighty-nine".