2126361028569 has 8 divisors (see below), whose sum is σ = 2958415344192. Its totient is φ = 1355940366000.

The previous prime is 2126361028553. The next prime is 2126361028577. The reversal of 2126361028569 is 9658201636212.

It is a happy number.

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

It is not a de Polignac number, because 2126361028569 - 2⁴ = 2126361028553 is a prime.

It is a super-2 number, since 2×2126361028569² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2126361028579) 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, 15408413182 + ... + 15408413319.

It is an arithmetic number, because the mean of its divisors is an integer number (369801918024).

Almost surely, 2^{2126361028569} is an apocalyptic number.

It is an amenable number.

2126361028569 is a deficient number, since it is larger than the sum of its proper divisors (832054315623).

2126361028569 is a wasteful number, since it uses less digits than its factorization.

2126361028569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30816826527.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 2126361028569 in words is "two trillion, one hundred twenty-six billion, three hundred sixty-one million, twenty-eight thousand, five hundred sixty-nine".