2142636411 has 8 divisors (see below), whose sum is σ = 2860109584. Its totient is φ = 1426793760.

The previous prime is 2142636409. The next prime is 2142636421. The reversal of 2142636411 is 1146362412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2142636411 - 2¹ = 2142636409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142636421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404560 + ... + 409821.

It is an arithmetic number, because the mean of its divisors is an integer number (357513698).

Almost surely, 2^2142636411 is an apocalyptic number.

2142636411 is a deficient number, since it is larger than the sum of its proper divisors (717473173).

2142636411 is an equidigital number, since it uses as much as digits as its factorization.

2142636411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815261.

The product of its digits is 6912, while the sum is 30.

The square root of 2142636411 is about 46288.6207506769. The cubic root of 2142636411 is about 1289.1877207137.

Adding to 2142636411 its reverse (1146362412), we get a palindrome (3288998823).

The spelling of 2142636411 in words is "two billion, one hundred forty-two million, six hundred thirty-six thousand, four hundred eleven".