255502502749 has 8 divisors (see below), whose sum is σ = 275466764160. Its totient is φ = 235582558896.

The previous prime is 255502502747. The next prime is 255502502753. The reversal of 255502502749 is 947205205552.

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 255502502749 - 2¹ = 255502502747 is a prime.

It is a super-2 number, since 2×255502502749² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255502502699 and 255502502708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255502502747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11067409 + ... + 11090470.

It is an arithmetic number, because the mean of its divisors is an integer number (34433345520).

Almost surely, 2^255502502749 is an apocalyptic number.

It is an amenable number.

255502502749 is a deficient number, since it is larger than the sum of its proper divisors (19964261411).

255502502749 is a wasteful number, since it uses less digits than its factorization.

255502502749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22158779.

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 255502502749 in words is "two hundred fifty-five billion, five hundred two million, five hundred two thousand, seven hundred forty-nine".