2296538356921 has 4 divisors (see below), whose sum is σ = 2308562118144. Its totient is φ = 2284514595700.

The previous prime is 2296538356919. The next prime is 2296538356927. The reversal of 2296538356921 is 1296538356922.

It is a happy number.

2296538356921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2296538356921 - 2¹ = 2296538356919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2296538356921.

It is not an unprimeable number, because it can be changed into a prime (2296538356927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6011880325 + ... + 6011880706.

It is an arithmetic number, because the mean of its divisors is an integer number (577140529536).

Almost surely, 2^{2296538356921} is an apocalyptic number.

It is an amenable number.

2296538356921 is a deficient number, since it is larger than the sum of its proper divisors (12023761223).

2296538356921 is a wasteful number, since it uses less digits than its factorization.

2296538356921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12023761222.

The product of its digits is 41990400, while the sum is 61.

Subtracting from 2296538356921 its reverse (1296538356922), we obtain a palindrome (999999999999).

The spelling of 2296538356921 in words is "two trillion, two hundred ninety-six billion, five hundred thirty-eight million, three hundred fifty-six thousand, nine hundred twenty-one".