6642848833 has 2 divisors, whose sum is σ = 6642848834. Its totient is φ = 6642848832.

The previous prime is 6642848789. The next prime is 6642848843. The reversal of 6642848833 is 3388482466.

6642848833 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5200140544 + 1442708289 = 72112^2 + 37983^2 .

It is a cyclic number.

It is not a de Polignac number, because 6642848833 - 2²¹ = 6640751681 is a prime.

It is not a weakly prime, because it can be changed into another prime (6642848843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3321424416 + 3321424417.

It is an arithmetic number, because the mean of its divisors is an integer number (3321424417).

Almost surely, 2^6642848833 is an apocalyptic number.

It is an amenable number.

6642848833 is a deficient number, since it is larger than the sum of its proper divisors (1).

6642848833 is an equidigital number, since it uses as much as digits as its factorization.

6642848833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5308416, while the sum is 52.

The square root of 6642848833 is about 81503.6737392861. The cubic root of 6642848833 is about 1879.8280392926.

The spelling of 6642848833 in words is "six billion, six hundred forty-two million, eight hundred forty-eight thousand, eight hundred thirty-three".