2546649198 has 24 divisors (see below), whose sum is σ = 5842313568. Its totient is φ = 798948672.

The previous prime is 2546649197. The next prime is 2546649221. The reversal of 2546649198 is 8919466452.

2546649198 is a `hidden beast` number, since 2 + 5 + 4 + 66 + 491 + 98 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2546649191) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4160886 + ... + 4161497.

It is an arithmetic number, because the mean of its divisors is an integer number (243429732).

Almost surely, 2^2546649198 is an apocalyptic number.

2546649198 is an abundant number, since it is smaller than the sum of its proper divisors (3295664370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2546649198 is a wasteful number, since it uses less digits than its factorization.

2546649198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8322408 (or 8322405 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 2546649198 is about 50464.3359017039. The cubic root of 2546649198 is about 1365.5985331499.

The spelling of 2546649198 in words is "two billion, five hundred forty-six million, six hundred forty-nine thousand, one hundred ninety-eight".