21833338374763 has 2 divisors, whose sum is σ = 21833338374764. Its totient is φ = 21833338374762.

The previous prime is 21833338374733. The next prime is 21833338374773. The reversal of 21833338374763 is 36747383333812.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21833338374763 is a prime.

It is not a weakly prime, because it can be changed into another prime (21833338374733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10916669187381 + 10916669187382.

It is an arithmetic number, because the mean of its divisors is an integer number (10916669187382).

Almost surely, 2^{21833338374763} is an apocalyptic number.

21833338374763 is a deficient number, since it is larger than the sum of its proper divisors (1).

21833338374763 is an equidigital number, since it uses as much as digits as its factorization.

21833338374763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 109734912, while the sum is 61.

The spelling of 21833338374763 in words is "twenty-one trillion, eight hundred thirty-three billion, three hundred thirty-eight million, three hundred seventy-four thousand, seven hundred sixty-three".