1065912899 has 2 divisors, whose sum is σ = 1065912900. Its totient is φ = 1065912898.

The previous prime is 1065912829. The next prime is 1065912917. The reversal of 1065912899 is 9982195601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1065912899 - 2²⁴ = 1049135683 is a prime.

It is a super-2 number, since 2×1065912899² = 2272340616509168402, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1065912829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532956449 + 532956450.

It is an arithmetic number, because the mean of its divisors is an integer number (532956450).

Almost surely, 2^1065912899 is an apocalyptic number.

1065912899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065912899 is an equidigital number, since it uses as much as digits as its factorization.

1065912899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 50.

The square root of 1065912899 is about 32648.3215341922. The cubic root of 1065912899 is about 1021.5051784473.

The spelling of 1065912899 in words is "one billion, sixty-five million, nine hundred twelve thousand, eight hundred ninety-nine".