249072951093 has 16 divisors (see below), whose sum is σ = 334240776000. Its totient is φ = 164978167424.

The previous prime is 249072951041. The next prime is 249072951187. The reversal of 249072951093 is 390159270942.

It is a cyclic number.

It is not a de Polignac number, because 249072951093 - 2¹⁴ = 249072934709 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249072911093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617905 + ... + 938057.

It is an arithmetic number, because the mean of its divisors is an integer number (20890048500).

Almost surely, 2^249072951093 is an apocalyptic number.

It is an amenable number.

249072951093 is a deficient number, since it is larger than the sum of its proper divisors (85167824907).

249072951093 is a wasteful number, since it uses less digits than its factorization.

249072951093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321828.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 249072951093 in words is "two hundred forty-nine billion, seventy-two million, nine hundred fifty-one thousand, ninety-three".