249568233189 has 16 divisors (see below), whose sum is σ = 367381937664. Its totient is φ = 149431142000.

The previous prime is 249568233149. The next prime is 249568233193. The reversal of 249568233189 is 981332865942.

It is a cyclic number.

It is not a de Polignac number, because 249568233189 - 2¹¹ = 249568231141 is a prime.

It is a super-2 number, since 2×249568233189² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249568233149) 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, 45555537 + ... + 45561014.

It is an arithmetic number, because the mean of its divisors is an integer number (22961371104).

Almost surely, 2^249568233189 is an apocalyptic number.

It is an amenable number.

249568233189 is a deficient number, since it is larger than the sum of its proper divisors (117813704475).

249568233189 is a wasteful number, since it uses less digits than its factorization.

249568233189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91116648.

The product of its digits is 22394880, while the sum is 60.

The spelling of 249568233189 in words is "two hundred forty-nine billion, five hundred sixty-eight million, two hundred thirty-three thousand, one hundred eighty-nine".