1068423791 has 2 divisors, whose sum is σ = 1068423792. Its totient is φ = 1068423790.

The previous prime is 1068423781. The next prime is 1068423799. The reversal of 1068423791 is 1973248601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1068423791 - 2¹⁴ = 1068407407 is a prime.

It is a super-2 number, since 2×1068423791² = 2283058794349623362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1068423799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534211895 + 534211896.

It is an arithmetic number, because the mean of its divisors is an integer number (534211896).

Almost surely, 2^1068423791 is an apocalyptic number.

1068423791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068423791 is an equidigital number, since it uses as much as digits as its factorization.

1068423791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 1068423791 is about 32686.7525306507. The cubic root of 1068423791 is about 1022.3066441335.

The spelling of 1068423791 in words is "one billion, sixty-eight million, four hundred twenty-three thousand, seven hundred ninety-one".