1045716691 has 2 divisors, whose sum is σ = 1045716692. Its totient is φ = 1045716690.

The previous prime is 1045716673. The next prime is 1045716739. The reversal of 1045716691 is 1966175401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1045716691 - 2⁹ = 1045716179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1045716611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522858345 + 522858346.

It is an arithmetic number, because the mean of its divisors is an integer number (522858346).

Almost surely, 2^1045716691 is an apocalyptic number.

1045716691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045716691 is an equidigital number, since it uses as much as digits as its factorization.

1045716691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 1045716691 is about 32337.5430575670. The cubic root of 1045716691 is about 1015.0123971404.

The spelling of 1045716691 in words is "one billion, forty-five million, seven hundred sixteen thousand, six hundred ninety-one".