2171373441 has 4 divisors (see below), whose sum is σ = 2895164592. Its totient is φ = 1447582292.

The previous prime is 2171373439. The next prime is 2171373473. The reversal of 2171373441 is 1443731712.

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 2171373441 - 2¹ = 2171373439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2171373431) 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, 361895571 + ... + 361895576.

It is an arithmetic number, because the mean of its divisors is an integer number (723791148).

Almost surely, 2^2171373441 is an apocalyptic number.

It is an amenable number.

2171373441 is a deficient number, since it is larger than the sum of its proper divisors (723791151).

2171373441 is an equidigital number, since it uses as much as digits as its factorization.

2171373441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723791150.

The product of its digits is 14112, while the sum is 33.

The square root of 2171373441 is about 46597.9982509979. The cubic root of 2171373441 is about 1294.9256708629.

The spelling of 2171373441 in words is "two billion, one hundred seventy-one million, three hundred seventy-three thousand, four hundred forty-one".