2509061594 has 16 divisors (see below), whose sum is σ = 4093233480. Its totient is φ = 1146561600.

The previous prime is 2509061593. The next prime is 2509061669. The reversal of 2509061594 is 4951609052.

It can be written as a sum of positive squares in 4 ways, for example, as 2421919369 + 87142225 = 49213^2 + 9335^2 .

It is not an unprimeable number, because it can be changed into a prime (2509061591) 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, 475109 + ... + 480360.

Almost surely, 2^2509061594 is an apocalyptic number.

2509061594 is a deficient number, since it is larger than the sum of its proper divisors (1584171886).

2509061594 is a wasteful number, since it uses less digits than its factorization.

2509061594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955585.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 2509061594 is about 50090.5339759919. The cubic root of 2509061594 is about 1358.8466277470.

The spelling of 2509061594 in words is "two billion, five hundred nine million, sixty-one thousand, five hundred ninety-four".