710405989 has 4 divisors (see below), whose sum is σ = 714512556. Its totient is φ = 706299424.

The previous prime is 710405963. The next prime is 710406001. The reversal of 710405989 is 989504017.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 351000225 + 359405764 = 18735^2 + 18958^2 .

It is a cyclic number.

It is not a de Polignac number, because 710405989 - 2¹⁵ = 710373221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (710405909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2053024 + ... + 2053369.

It is an arithmetic number, because the mean of its divisors is an integer number (178628139).

Almost surely, 2^710405989 is an apocalyptic number.

It is an amenable number.

710405989 is a deficient number, since it is larger than the sum of its proper divisors (4106567).

710405989 is a wasteful number, since it uses less digits than its factorization.

710405989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106566.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 710405989 is about 26653.4423480345. The cubic root of 710405989 is about 892.2821492263.

The spelling of 710405989 in words is "seven hundred ten million, four hundred five thousand, nine hundred eighty-nine".