2171457141 has 32 divisors (see below), whose sum is σ = 3514118400. Its totient is φ = 1164312576.

The previous prime is 2171457139. The next prime is 2171457151. The reversal of 2171457141 is 1417541712.

It is not a de Polignac number, because 2171457141 - 2¹ = 2171457139 is a prime.

It is a super-2 number, since 2×2171457141² = 9430452230399787762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2171457151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111285 + ... + 129333.

It is an arithmetic number, because the mean of its divisors is an integer number (109816200).

Almost surely, 2^2171457141 is an apocalyptic number.

2171457141 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2171457141 is a deficient number, since it is larger than the sum of its proper divisors (1342661259).

2171457141 is a wasteful number, since it uses less digits than its factorization.

2171457141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18413.

The product of its digits is 7840, while the sum is 33.

The square root of 2171457141 is about 46598.8963495918. The cubic root of 2171457141 is about 1294.9423091626.

Adding to 2171457141 its reverse (1417541712), we get a palindrome (3588998853).

The spelling of 2171457141 in words is "two billion, one hundred seventy-one million, four hundred fifty-seven thousand, one hundred forty-one".