21436307483 has 2 divisors, whose sum is σ = 21436307484. Its totient is φ = 21436307482.

The previous prime is 21436307467. The next prime is 21436307513. The reversal of 21436307483 is 38470363412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21436307483 - 2⁴ = 21436307467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21436307483.

It is not a weakly prime, because it can be changed into another prime (21436307413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10718153741 + 10718153742.

It is an arithmetic number, because the mean of its divisors is an integer number (10718153742).

Almost surely, 2^21436307483 is an apocalyptic number.

21436307483 is a deficient number, since it is larger than the sum of its proper divisors (1).

21436307483 is an equidigital number, since it uses as much as digits as its factorization.

21436307483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 21436307483 in words is "twenty-one billion, four hundred thirty-six million, three hundred seven thousand, four hundred eighty-three".