21423424683741 has 16 divisors (see below), whose sum is σ = 28615327799040. Its totient is φ = 14256903330560.

The previous prime is 21423424683709. The next prime is 21423424683809. The reversal of 21423424683741 is 14738642432412.

It is a cyclic number.

It is not a de Polignac number, because 21423424683741 - 2⁵ = 21423424683709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21423424683641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123553081 + ... + 123726353.

It is an arithmetic number, because the mean of its divisors is an integer number (1788457987440).

Almost surely, 2^{21423424683741} is an apocalyptic number.

It is an amenable number.

21423424683741 is a deficient number, since it is larger than the sum of its proper divisors (7191903115299).

21423424683741 is a wasteful number, since it uses less digits than its factorization.

21423424683741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246276.

The product of its digits is 6193152, while the sum is 51.

The spelling of 21423424683741 in words is "twenty-one trillion, four hundred twenty-three billion, four hundred twenty-four million, six hundred eighty-three thousand, seven hundred forty-one".