700909009 has 4 divisors (see below), whose sum is σ = 702535680. Its totient is φ = 699282340.

The previous prime is 700908991. The next prime is 700909049. The reversal of 700909009 is 900909007.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 700909009 - 2⁹ = 700908497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (700909049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812689 + ... + 813550.

It is an arithmetic number, because the mean of its divisors is an integer number (175633920).

Almost surely, 2^700909009 is an apocalyptic number.

It is an amenable number.

700909009 is a deficient number, since it is larger than the sum of its proper divisors (1626671).

700909009 is a wasteful number, since it uses less digits than its factorization.

700909009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626670.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 700909009 is about 26474.6861926634. The cubic root of 700909009 is about 888.2881748914.

The spelling of 700909009 in words is "seven hundred million, nine hundred nine thousand, nine".