64192147 has 2 divisors, whose sum is σ = 64192148. Its totient is φ = 64192146.

The previous prime is 64192133. The next prime is 64192201. The reversal of 64192147 is 74129146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64192147 - 2¹⁹ = 63667859 is a prime.

It is not a weakly prime, because it can be changed into another prime (64192547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32096073 + 32096074.

It is an arithmetic number, because the mean of its divisors is an integer number (32096074).

Almost surely, 2^64192147 is an apocalyptic number.

64192147 is a deficient number, since it is larger than the sum of its proper divisors (1).

64192147 is an equidigital number, since it uses as much as digits as its factorization.

64192147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 64192147 is about 8012.0001872192. Note that the first 3 decimals coincide. The cubic root of 64192147 is about 400.3999063041.

The spelling of 64192147 in words is "sixty-four million, one hundred ninety-two thousand, one hundred forty-seven".