249941693 has 8 divisors (see below), whose sum is σ = 256352256. Its totient is φ = 243594000.

The previous prime is 249941651. The next prime is 249941717. The reversal of 249941693 is 396149942.

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 249941693 - 2¹⁴ = 249925309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249946693) 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 7 ways as a sum of consecutive naturals, for example, 7613 + ... + 23618.

It is an arithmetic number, because the mean of its divisors is an integer number (32044032).

Almost surely, 2^249941693 is an apocalyptic number.

It is an amenable number.

249941693 is a deficient number, since it is larger than the sum of its proper divisors (6410563).

249941693 is a wasteful number, since it uses less digits than its factorization.

249941693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31435.

The product of its digits is 419904, while the sum is 47.

The square root of 249941693 is about 15809.5443640859. The cubic root of 249941693 is about 629.9115463284.

The spelling of 249941693 in words is "two hundred forty-nine million, nine hundred forty-one thousand, six hundred ninety-three".