2545099894 has 16 divisors (see below), whose sum is σ = 4021588080. Its totient is φ = 1204670880.

The previous prime is 2545099861. The next prime is 2545099901. The reversal of 2545099894 is 4989905452.

It is a super-2 number, since 2×2545099894² = 12955066940877622472, which contains 22 as substring.

It is a congruent number.

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, 27784 + ... + 76564.

It is an arithmetic number, because the mean of its divisors is an integer number (251349255).

Almost surely, 2^2545099894 is an apocalyptic number.

2545099894 is a deficient number, since it is larger than the sum of its proper divisors (1476488186).

2545099894 is a wasteful number, since it uses less digits than its factorization.

2545099894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50175.

The product of its (nonzero) digits is 4665600, while the sum is 55.

The square root of 2545099894 is about 50448.9830819215. The cubic root of 2545099894 is about 1365.3215474197.

The spelling of 2545099894 in words is "two billion, five hundred forty-five million, ninety-nine thousand, eight hundred ninety-four".