21434301419 has 2 divisors, whose sum is σ = 21434301420. Its totient is φ = 21434301418.

The previous prime is 21434301377. The next prime is 21434301463. The reversal of 21434301419 is 91410343412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21434301419 is a prime.

It is a super-2 number, since 2×21434301419² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21434301019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10717150709 + 10717150710.

It is an arithmetic number, because the mean of its divisors is an integer number (10717150710).

Almost surely, 2^21434301419 is an apocalyptic number.

21434301419 is a deficient number, since it is larger than the sum of its proper divisors (1).

21434301419 is an equidigital number, since it uses as much as digits as its factorization.

21434301419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 21434301419 in words is "twenty-one billion, four hundred thirty-four million, three hundred one thousand, four hundred nineteen".