7012491309 has 12 divisors (see below), whose sum is σ = 10208912896. Its totient is φ = 4638182472.

The previous prime is 7012491287. The next prime is 7012491331. The reversal of 7012491309 is 9031942107.

It is an interprime number because it is at equal distance from previous prime (7012491287) and next prime (7012491331).

It is not a de Polignac number, because 7012491309 - 2⁸ = 7012491053 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 (7012491379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3066439 + ... + 3068724.

Almost surely, 2^7012491309 is an apocalyptic number.

It is an amenable number.

7012491309 is a deficient number, since it is larger than the sum of its proper divisors (3196421587).

7012491309 is a wasteful number, since it uses less digits than its factorization.

7012491309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6135296 (or 6135293 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 7012491309 is about 83740.6192298576. The cubic root of 7012491309 is about 1914.0683644505.

The spelling of 7012491309 in words is "seven billion, twelve million, four hundred ninety-one thousand, three hundred nine".