249606693 has 24 divisors (see below), whose sum is σ = 418810496. Its totient is φ = 140292000.

The previous prime is 249606661. The next prime is 249606727. The reversal of 249606693 is 396606942.

It is not a de Polignac number, because 249606693 - 2⁵ = 249606661 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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 (249606193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28633 + ... + 36318.

Almost surely, 2^249606693 is an apocalyptic number.

It is an amenable number.

249606693 is a deficient number, since it is larger than the sum of its proper divisors (169203803).

249606693 is a wasteful number, since it uses less digits than its factorization.

249606693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65025 (or 65022 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 249606693 is about 15798.9459458535. The cubic root of 249606693 is about 629.6299943746.

The spelling of 249606693 in words is "two hundred forty-nine million, six hundred six thousand, six hundred ninety-three".