249865321314 has 128 divisors (see below), whose sum is σ = 589555169280. Its totient is φ = 69127432704.

The previous prime is 249865321313. The next prime is 249865321331. The reversal of 249865321314 is 413123568942.

It is a super-3 number, since 3×249865321314³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (249865321313) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76714774 + ... + 76718030.

It is an arithmetic number, because the mean of its divisors is an integer number (4605899760).

Almost surely, 2^249865321314 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 249865321314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294777584640).

249865321314 is an abundant number, since it is smaller than the sum of its proper divisors (339689847966).

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

249865321314 is a wasteful number, since it uses less digits than its factorization.

249865321314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784.

The product of its digits is 1244160, while the sum is 48.

The spelling of 249865321314 in words is "two hundred forty-nine billion, eight hundred sixty-five million, three hundred twenty-one thousand, three hundred fourteen".