249898000837 has 4 divisors (see below), whose sum is σ = 251805619296. Its totient is φ = 247990382380.

The previous prime is 249898000799. The next prime is 249898000841. The reversal of 249898000837 is 738000898942.

249898000837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is the 204083-rd star number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249898000837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249898000537) by changing a digit.

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, 953809033 + ... + 953809294.

It is an arithmetic number, because the mean of its divisors is an integer number (62951404824).

Almost surely, 2^249898000837 is an apocalyptic number.

It is an amenable number.

249898000837 is a deficient number, since it is larger than the sum of its proper divisors (1907618459).

249898000837 is a wasteful number, since it uses less digits than its factorization.

249898000837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907618458.

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 249898000837 in words is "two hundred forty-nine billion, eight hundred ninety-eight million, eight hundred thirty-seven", and thus it is an aban number.