709054091 has 2 divisors, whose sum is σ = 709054092. Its totient is φ = 709054090.

The previous prime is 709054063. The next prime is 709054109. The reversal of 709054091 is 190450907.

Together with next prime (709054109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (190450907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 709054091 - 2²² = 704859787 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (709054001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354527045 + 354527046.

It is an arithmetic number, because the mean of its divisors is an integer number (354527046).

Almost surely, 2^709054091 is an apocalyptic number.

709054091 is a deficient number, since it is larger than the sum of its proper divisors (1).

709054091 is an equidigital number, since it uses as much as digits as its factorization.

709054091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 709054091 is about 26628.0696070894. The cubic root of 709054091 is about 891.7157874280.

The spelling of 709054091 in words is "seven hundred nine million, fifty-four thousand, ninety-one".