21434100341 has 2 divisors, whose sum is σ = 21434100342. Its totient is φ = 21434100340.

The previous prime is 21434100301. The next prime is 21434100371. The reversal of 21434100341 is 14300143412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11432100241 + 10002000100 = 106921^2 + 100010^2 .

It is a cyclic number.

It is not a de Polignac number, because 21434100341 - 2¹⁸ = 21433838197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21434100301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10717050170 + 10717050171.

It is an arithmetic number, because the mean of its divisors is an integer number (10717050171).

Almost surely, 2^21434100341 is an apocalyptic number.

It is an amenable number.

21434100341 is a deficient number, since it is larger than the sum of its proper divisors (1).

21434100341 is an equidigital number, since it uses as much as digits as its factorization.

21434100341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21434100341 its reverse (14300143412), we get a palindrome (35734243753).

The spelling of 21434100341 in words is "twenty-one billion, four hundred thirty-four million, one hundred thousand, three hundred forty-one".