21411413342 has 128 divisors (see below), whose sum is σ = 38295244800. Its totient is φ = 8886169600.

The previous prime is 21411413341. The next prime is 21411413347. The reversal of 21411413342 is 24331411412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21411413341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 189481478 + ... + 189481590.

It is an arithmetic number, because the mean of its divisors is an integer number (299181600).

Almost surely, 2^21411413342 is an apocalyptic number.

21411413342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21411413342 is a deficient number, since it is larger than the sum of its proper divisors (16883831458).

21411413342 is a wasteful number, since it uses less digits than its factorization.

21411413342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362.

The product of its digits is 2304, while the sum is 26.

Adding to 21411413342 its reverse (24331411412), we get a palindrome (45742824754).

The spelling of 21411413342 in words is "twenty-one billion, four hundred eleven million, four hundred thirteen thousand, three hundred forty-two".