2616142409 has 2 divisors, whose sum is σ = 2616142410. Its totient is φ = 2616142408.

The previous prime is 2616142351. The next prime is 2616142457. The reversal of 2616142409 is 9042416162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1415866384 + 1200276025 = 37628^2 + 34645^2 .

It is a cyclic number.

It is not a de Polignac number, because 2616142409 - 2²⁴ = 2599365193 is a prime.

It is a super-2 number, since 2×2616142409² = 13688402208336646562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2616147409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1308071204 + 1308071205.

It is an arithmetic number, because the mean of its divisors is an integer number (1308071205).

Almost surely, 2^2616142409 is an apocalyptic number.

It is an amenable number.

2616142409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2616142409 is an equidigital number, since it uses as much as digits as its factorization.

2616142409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2616142409 is about 51148.2395493726. The cubic root of 2616142409 is about 1377.9087573867.

The spelling of 2616142409 in words is "two billion, six hundred sixteen million, one hundred forty-two thousand, four hundred nine".