2545578716 has 6 divisors (see below), whose sum is σ = 4454762760. Its totient is φ = 1272789356.

The previous prime is 2545578683. The next prime is 2545578743. The reversal of 2545578716 is 6178755452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318197336 + ... + 318197343.

It is an arithmetic number, because the mean of its divisors is an integer number (742460460).

Almost surely, 2^2545578716 is an apocalyptic number.

It is an amenable number.

2545578716 is a deficient number, since it is larger than the sum of its proper divisors (1909184044).

2545578716 is a wasteful number, since it uses less digits than its factorization.

2545578716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636394683 (or 636394681 counting only the distinct ones).

The product of its digits is 2352000, while the sum is 50.

The square root of 2545578716 is about 50453.7284648023. The cubic root of 2545578716 is about 1365.4071635747.

The spelling of 2545578716 in words is "two billion, five hundred forty-five million, five hundred seventy-eight thousand, seven hundred sixteen".