7716046409 has 2 divisors, whose sum is σ = 7716046410. Its totient is φ = 7716046408.

The previous prime is 7716046391. The next prime is 7716046421. The reversal of 7716046409 is 9046406177.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7492633600 + 223412809 = 86560^2 + 14947^2 .

It is a cyclic number.

It is not a de Polignac number, because 7716046409 - 2¹⁶ = 7715980873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7716046409.

It is not a weakly prime, because it can be changed into another prime (7716046469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3858023204 + 3858023205.

It is an arithmetic number, because the mean of its divisors is an integer number (3858023205).

Almost surely, 2^7716046409 is an apocalyptic number.

It is an amenable number.

7716046409 is a deficient number, since it is larger than the sum of its proper divisors (1).

7716046409 is an equidigital number, since it uses as much as digits as its factorization.

7716046409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 7716046409 is about 87841.0291890982. The cubic root of 7716046409 is about 1976.0515819752.

The spelling of 7716046409 in words is "seven billion, seven hundred sixteen million, forty-six thousand, four hundred nine".