21004413141 has 8 divisors (see below), whose sum is σ = 28042883104. Its totient is φ = 13984442640.

The previous prime is 21004413107. The next prime is 21004413149. The reversal of 21004413141 is 14131440012.

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

It is not a de Polignac number, because 21004413141 - 2¹⁴ = 21004396757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21004413149) 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, 4622215 + ... + 4626756.

It is an arithmetic number, because the mean of its divisors is an integer number (3505360388).

Almost surely, 2^21004413141 is an apocalyptic number.

It is an amenable number.

21004413141 is a deficient number, since it is larger than the sum of its proper divisors (7038469963).

21004413141 is an equidigital number, since it uses as much as digits as its factorization.

21004413141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9249731.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21004413141 its reverse (14131440012), we get a palindrome (35135853153).

The spelling of 21004413141 in words is "twenty-one billion, four million, four hundred thirteen thousand, one hundred forty-one".