249254535655 has 8 divisors (see below), whose sum is σ = 299112267600. Its totient is φ = 199399078656.

The previous prime is 249254535617. The next prime is 249254535667. The reversal of 249254535655 is 556535452942.

It is a happy number.

249254535655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 249254535655 - 2¹³ = 249254527463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 249254535596 and 249254535605.

It is a congruent number.

It is an unprimeable number.

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, 317610 + ... + 774199.

It is an arithmetic number, because the mean of its divisors is an integer number (37389033450).

Almost surely, 2^249254535655 is an apocalyptic number.

249254535655 is a deficient number, since it is larger than the sum of its proper divisors (49857731945).

249254535655 is a wasteful number, since it uses less digits than its factorization.

249254535655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137473.

The product of its digits is 32400000, while the sum is 55.

The spelling of 249254535655 in words is "two hundred forty-nine billion, two hundred fifty-four million, five hundred thirty-five thousand, six hundred fifty-five".