21834790763 has 2 divisors, whose sum is σ = 21834790764. Its totient is φ = 21834790762.

The previous prime is 21834790753. The next prime is 21834790771. The reversal of 21834790763 is 36709743812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21834790763 - 2⁸ = 21834790507 is a prime.

It is not a weakly prime, because it can be changed into another prime (21834790753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10917395381 + 10917395382.

It is an arithmetic number, because the mean of its divisors is an integer number (10917395382).

Almost surely, 2^21834790763 is an apocalyptic number.

21834790763 is a deficient number, since it is larger than the sum of its proper divisors (1).

21834790763 is an equidigital number, since it uses as much as digits as its factorization.

21834790763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 21834790763 in words is "twenty-one billion, eight hundred thirty-four million, seven hundred ninety thousand, seven hundred sixty-three".