2516954609 has 8 divisors (see below), whose sum is σ = 2715898920. Its totient is φ = 2318772096.

The previous prime is 2516954591. The next prime is 2516954623. The reversal of 2516954609 is 9064596152.

2516954609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 856147600 + 1660807009 = 29260^2 + 40753^2 .

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 2516954609 - 2⁸ = 2516954353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2516954509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183572 + ... + 196805.

It is an arithmetic number, because the mean of its divisors is an integer number (339487365).

Almost surely, 2^2516954609 is an apocalyptic number.

It is an amenable number.

2516954609 is a deficient number, since it is larger than the sum of its proper divisors (198944311).

2516954609 is a wasteful number, since it uses less digits than its factorization.

2516954609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380899.

The product of its (nonzero) digits is 583200, while the sum is 47.

The square root of 2516954609 is about 50169.2596018717. The cubic root of 2516954609 is about 1360.2700244187.

The spelling of 2516954609 in words is "two billion, five hundred sixteen million, nine hundred fifty-four thousand, six hundred nine".