64906004827 has 2 divisors, whose sum is σ = 64906004828. Its totient is φ = 64906004826.

The previous prime is 64906004803. The next prime is 64906004837. The reversal of 64906004827 is 72840060946.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64906004827 - 2⁷ = 64906004699 is a prime.

It is not a weakly prime, because it can be changed into another prime (64906004837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32453002413 + 32453002414.

It is an arithmetic number, because the mean of its divisors is an integer number (32453002414).

Almost surely, 2^64906004827 is an apocalyptic number.

64906004827 is a deficient number, since it is larger than the sum of its proper divisors (1).

64906004827 is an equidigital number, since it uses as much as digits as its factorization.

64906004827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 64906004827 in words is "sixty-four billion, nine hundred six million, four thousand, eight hundred twenty-seven".