249898000838 has 8 divisors (see below), whose sum is σ = 377798552832. Its totient is φ = 123965149896.

The previous prime is 249898000799. The next prime is 249898000841. The reversal of 249898000838 is 838000898942.

249898000838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 491924945 + ... + 491925452.

It is an arithmetic number, because the mean of its divisors is an integer number (47224819104).

Almost surely, 2^249898000838 is an apocalyptic number.

249898000838 is a deficient number, since it is larger than the sum of its proper divisors (127900551994).

249898000838 is a wasteful number, since it uses less digits than its factorization.

249898000838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983850526.

The product of its (nonzero) digits is 7962624, while the sum is 59.

The spelling of 249898000838 in words is "two hundred forty-nine billion, eight hundred ninety-eight million, eight hundred thirty-eight", and thus it is an aban number.