706465819 has 2 divisors, whose sum is σ = 706465820. Its totient is φ = 706465818.

The previous prime is 706465817. The next prime is 706465843. The reversal of 706465819 is 918564607.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 706465819 - 2¹ = 706465817 is a prime.

It is a super-2 number, since 2×706465819² = 998187906830681522, which contains 22 as substring.

Together with 706465817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (706465817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353232909 + 353232910.

It is an arithmetic number, because the mean of its divisors is an integer number (353232910).

Almost surely, 2^706465819 is an apocalyptic number.

706465819 is a deficient number, since it is larger than the sum of its proper divisors (1).

706465819 is an equidigital number, since it uses as much as digits as its factorization.

706465819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 706465819 is about 26579.4247304188. The cubic root of 706465819 is about 890.6294495134.

The spelling of 706465819 in words is "seven hundred six million, four hundred sixty-five thousand, eight hundred nineteen".