21413434433043 has 64 divisors (see below), whose sum is σ = 33155331194880. Its totient is φ = 12203000179200.

The previous prime is 21413434433021. The next prime is 21413434433047. The reversal of 21413434433043 is 34033443431412.

It is not a de Polignac number, because 21413434433043 - 2¹⁸ = 21413434170899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21413434432992 and 21413434433010.

It is not an unprimeable number, because it can be changed into a prime (21413434433047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 116923 + ... + 6545268.

It is an arithmetic number, because the mean of its divisors is an integer number (518052049920).

Almost surely, 2^{21413434433043} is an apocalyptic number.

21413434433043 is a deficient number, since it is larger than the sum of its proper divisors (11741896761837).

21413434433043 is a wasteful number, since it uses less digits than its factorization.

21413434433043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6662368.

The product of its (nonzero) digits is 497664, while the sum is 39.

Adding to 21413434433043 its reverse (34033443431412), we get a palindrome (55446877864455).

The spelling of 21413434433043 in words is "twenty-one trillion, four hundred thirteen billion, four hundred thirty-four million, four hundred thirty-three thousand, forty-three".