2646406363 has 2 divisors, whose sum is σ = 2646406364. Its totient is φ = 2646406362.

The previous prime is 2646406351. The next prime is 2646406387. The reversal of 2646406363 is 3636046462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2646406363 - 2⁵ = 2646406331 is a prime.

It is not a weakly prime, because it can be changed into another prime (2646406333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323203181 + 1323203182.

It is an arithmetic number, because the mean of its divisors is an integer number (1323203182).

Almost surely, 2^2646406363 is an apocalyptic number.

2646406363 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646406363 is an equidigital number, since it uses as much as digits as its factorization.

2646406363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 40.

The square root of 2646406363 is about 51443.2343753773. The cubic root of 2646406363 is about 1383.2016893871.

The spelling of 2646406363 in words is "two billion, six hundred forty-six million, four hundred six thousand, three hundred sixty-three".