64474811 has 2 divisors, whose sum is σ = 64474812. Its totient is φ = 64474810.

The previous prime is 64474793. The next prime is 64474843. The reversal of 64474811 is 11847446.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64474811 - 2¹⁸ = 64212667 is a prime.

It is not a weakly prime, because it can be changed into another prime (64474211) 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, 32237405 + 32237406.

It is an arithmetic number, because the mean of its divisors is an integer number (32237406).

Almost surely, 2^64474811 is an apocalyptic number.

64474811 is a deficient number, since it is larger than the sum of its proper divisors (1).

64474811 is an equidigital number, since it uses as much as digits as its factorization.

64474811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 35.

The square root of 64474811 is about 8029.6208503266. The cubic root of 64474811 is about 400.9867533761.

The spelling of 64474811 in words is "sixty-four million, four hundred seventy-four thousand, eight hundred eleven".