21714766503359 has 2 divisors, whose sum is σ = 21714766503360. Its totient is φ = 21714766503358.

The previous prime is 21714766503349. The next prime is 21714766503373. The reversal of 21714766503359 is 95330566741712.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21714766503359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21714766503298 and 21714766503307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21714766503349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10857383251679 + 10857383251680.

It is an arithmetic number, because the mean of its divisors is an integer number (10857383251680).

Almost surely, 2^{21714766503359} is an apocalyptic number.

21714766503359 is a deficient number, since it is larger than the sum of its proper divisors (1).

21714766503359 is an equidigital number, since it uses as much as digits as its factorization.

21714766503359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28576800, while the sum is 59.

The spelling of 21714766503359 in words is "twenty-one trillion, seven hundred fourteen billion, seven hundred sixty-six million, five hundred three thousand, three hundred fifty-nine".