7910713309 has 4 divisors (see below), whose sum is σ = 8376049404. Its totient is φ = 7445377216.

The previous prime is 7910713271. The next prime is 7910713361. The reversal of 7910713309 is 9033170197.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9033170197 = 31 ⋅291392587.

It can be written as a sum of positive squares in 2 ways, for example, as 2982252100 + 4928461209 = 54610^2 + 70203^2 .

It is a cyclic number.

It is not a de Polignac number, because 7910713309 - 2¹⁵ = 7910680541 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 (7910713009) 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, 232668022 + ... + 232668055.

It is an arithmetic number, because the mean of its divisors is an integer number (2094012351).

Almost surely, 2^7910713309 is an apocalyptic number.

It is an amenable number.

7910713309 is a deficient number, since it is larger than the sum of its proper divisors (465336095).

7910713309 is a wasteful number, since it uses less digits than its factorization.

7910713309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465336094.

The product of its (nonzero) digits is 35721, while the sum is 40.

The square root of 7910713309 is about 88942.1908264014. The cubic root of 7910713309 is about 1992.5315885457.

It can be divided in two parts, 79107 and 13309, that added together give a square (92416 = 304²).

The spelling of 7910713309 in words is "seven billion, nine hundred ten million, seven hundred thirteen thousand, three hundred nine".