21214024355039 has 2 divisors, whose sum is σ = 21214024355040. Its totient is φ = 21214024355038.

The previous prime is 21214024354997. The next prime is 21214024355053. The reversal of 21214024355039 is 93055342041212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21214024355039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21214024354987 and 21214024355005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21214024355539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10607012177519 + 10607012177520.

It is an arithmetic number, because the mean of its divisors is an integer number (10607012177520).

Almost surely, 2^{21214024355039} is an apocalyptic number.

21214024355039 is a deficient number, since it is larger than the sum of its proper divisors (1).

21214024355039 is an equidigital number, since it uses as much as digits as its factorization.

21214024355039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 21214024355039 in words is "twenty-one trillion, two hundred fourteen billion, twenty-four million, three hundred fifty-five thousand, thirty-nine".