2271546375421 has 4 divisors (see below), whose sum is σ = 2275057266912. Its totient is φ = 2268035483932.

The previous prime is 2271546375419. The next prime is 2271546375457. The reversal of 2271546375421 is 1245736451722.

It is a happy number.

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 2271546375421 - 2¹ = 2271546375419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271546315421) 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, 1755444775 + ... + 1755446068.

It is an arithmetic number, because the mean of its divisors is an integer number (568764316728).

Almost surely, 2^{2271546375421} is an apocalyptic number.

It is an amenable number.

2271546375421 is a deficient number, since it is larger than the sum of its proper divisors (3510891491).

2271546375421 is an equidigital number, since it uses as much as digits as its factorization.

2271546375421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3510891490.

The product of its digits is 2822400, while the sum is 49.

The spelling of 2271546375421 in words is "two trillion, two hundred seventy-one billion, five hundred forty-six million, three hundred seventy-five thousand, four hundred twenty-one".