2141623427 has 4 divisors (see below), whose sum is σ = 2141718000. Its totient is φ = 2141528856.

The previous prime is 2141623423. The next prime is 2141623447. The reversal of 2141623427 is 7243261412.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2141623427 - 2² = 2141623423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2141623393 and 2141623402.

It is not an unprimeable number, because it can be changed into a prime (2141623423) 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 3 ways as a sum of consecutive naturals, for example, 9074 + ... + 66072.

It is an arithmetic number, because the mean of its divisors is an integer number (535429500).

Almost surely, 2^2141623427 is an apocalyptic number.

2141623427 is a deficient number, since it is larger than the sum of its proper divisors (94573).

2141623427 is an equidigital number, since it uses as much as digits as its factorization.

2141623427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94572.

The product of its digits is 16128, while the sum is 32.

The square root of 2141623427 is about 46277.6774157909. The cubic root of 2141623427 is about 1288.9845236330.

Adding to 2141623427 its reverse (7243261412), we get a palindrome (9384884839).

The spelling of 2141623427 in words is "two billion, one hundred forty-one million, six hundred twenty-three thousand, four hundred twenty-seven".