2171427153 has 16 divisors (see below), whose sum is σ = 3503479680. Its totient is φ = 1167826176.

The previous prime is 2171427149. The next prime is 2171427163. The reversal of 2171427153 is 3517241712.

It is not a de Polignac number, because 2171427153 - 2² = 2171427149 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2171427163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3040858 + ... + 3041571.

It is an arithmetic number, because the mean of its divisors is an integer number (218967480).

Almost surely, 2^2171427153 is an apocalyptic number.

It is an amenable number.

2171427153 is a deficient number, since it is larger than the sum of its proper divisors (1332052527).

2171427153 is a wasteful number, since it uses less digits than its factorization.

2171427153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6082456.

The product of its digits is 11760, while the sum is 33.

The square root of 2171427153 is about 46598.5745812037. The cubic root of 2171427153 is about 1294.9363480489.

Adding to 2171427153 its reverse (3517241712), we get a palindrome (5688668865).

The spelling of 2171427153 in words is "two billion, one hundred seventy-one million, four hundred twenty-seven thousand, one hundred fifty-three".