249393725089 has 8 divisors (see below), whose sum is σ = 263174381280. Its totient is φ = 235678536000.

The previous prime is 249393725071. The next prime is 249393725093. The reversal of 249393725089 is 980527393942.

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

It is a cyclic number.

It is not a de Polignac number, because 249393725089 - 2¹⁹ = 249393200801 is a prime.

It is a super-2 number, since 2×249393725089² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249393725029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16358947 + ... + 16374184.

It is an arithmetic number, because the mean of its divisors is an integer number (32896797660).

Almost surely, 2^249393725089 is an apocalyptic number.

It is an amenable number.

249393725089 is a deficient number, since it is larger than the sum of its proper divisors (13780656191).

249393725089 is a wasteful number, since it uses less digits than its factorization.

249393725089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32733551.

The product of its (nonzero) digits is 29393280, while the sum is 61.

The spelling of 249393725089 in words is "two hundred forty-nine billion, three hundred ninety-three million, seven hundred twenty-five thousand, eighty-nine".