2545694308 has 24 divisors (see below), whose sum is σ = 4744309752. Its totient is φ = 1191043584.

The previous prime is 2545694243. The next prime is 2545694317. The reversal of 2545694308 is 8034965452.

It can be written as a sum of positive squares in 4 ways, for example, as 1625057344 + 920636964 = 40312^2 + 30342^2 .

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 96435 + ... + 119962.

It is an arithmetic number, because the mean of its divisors is an integer number (197679573).

Almost surely, 2^2545694308 is an apocalyptic number.

It is an amenable number.

2545694308 is a deficient number, since it is larger than the sum of its proper divisors (2198615444).

2545694308 is a wasteful number, since it uses less digits than its factorization.

2545694308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216591 (or 216589 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 46.

The square root of 2545694308 is about 50454.8739766536. The cubic root of 2545694308 is about 1365.4278304870.

The spelling of 2545694308 in words is "two billion, five hundred forty-five million, six hundred ninety-four thousand, three hundred eight".