2545498798 has 8 divisors (see below), whose sum is σ = 3823294392. Its totient is φ = 1271067336.

The previous prime is 2545498783. The next prime is 2545498807. The reversal of 2545498798 is 8978945452.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 839140 + ... + 842167.

It is an arithmetic number, because the mean of its divisors is an integer number (477911799).

Almost surely, 2^2545498798 is an apocalyptic number.

2545498798 is a deficient number, since it is larger than the sum of its proper divisors (1277795594).

2545498798 is a wasteful number, since it uses less digits than its factorization.

2545498798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682066.

The product of its digits is 29030400, while the sum is 61.

The square root of 2545498798 is about 50452.9364655815. The cubic root of 2545498798 is about 1365.3928745186.

The spelling of 2545498798 in words is "two billion, five hundred forty-five million, four hundred ninety-eight thousand, seven hundred ninety-eight".