2256179749269 has 8 divisors (see below), whose sum is σ = 3009781569792. Its totient is φ = 1503348880800.

The previous prime is 2256179749237. The next prime is 2256179749277. The reversal of 2256179749269 is 9629479716522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2256179749269 - 2⁵ = 2256179749237 is a prime.

It is a super-2 number, since 2×2256179749269² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256179749469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192731184 + ... + 192742889.

It is an arithmetic number, because the mean of its divisors is an integer number (376222696224).

Almost surely, 2^{2256179749269} is an apocalyptic number.

It is an amenable number.

2256179749269 is a deficient number, since it is larger than the sum of its proper divisors (753601820523).

2256179749269 is a wasteful number, since it uses less digits than its factorization.

2256179749269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385476027.

The product of its digits is 205752960, while the sum is 69.

The spelling of 2256179749269 in words is "two trillion, two hundred fifty-six billion, one hundred seventy-nine million, seven hundred forty-nine thousand, two hundred sixty-nine".