697013009 has 8 divisors (see below), whose sum is σ = 869003328. Its totient is φ = 543126960.

The previous prime is 697013003. The next prime is 697013011. The reversal of 697013009 is 900310796.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 697013009 - 2⁸ = 697012753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 697013009.

It is not an unprimeable number, because it can be changed into a prime (697013003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4525982 + ... + 4526135.

It is an arithmetic number, because the mean of its divisors is an integer number (108625416).

Almost surely, 2^697013009 is an apocalyptic number.

It is an amenable number.

697013009 is a deficient number, since it is larger than the sum of its proper divisors (171990319).

697013009 is a wasteful number, since it uses less digits than its factorization.

697013009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9052135.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 697013009 is about 26401.0039392444. The cubic root of 697013009 is about 886.6392671699.

The spelling of 697013009 in words is "six hundred ninety-seven million, thirteen thousand, nine".