64947683 has 2 divisors, whose sum is σ = 64947684. Its totient is φ = 64947682.

The previous prime is 64947677. The next prime is 64947689. The reversal of 64947683 is 38674946.

It is a balanced prime because it is at equal distance from previous prime (64947677) and next prime (64947689).

It is a cyclic number.

It is not a de Polignac number, because 64947683 - 2¹⁸ = 64685539 is a prime.

It is not a weakly prime, because it can be changed into another prime (64947689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32473841 + 32473842.

It is an arithmetic number, because the mean of its divisors is an integer number (32473842).

Almost surely, 2^64947683 is an apocalyptic number.

64947683 is a deficient number, since it is larger than the sum of its proper divisors (1).

64947683 is an equidigital number, since it uses as much as digits as its factorization.

64947683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 47.

The square root of 64947683 is about 8059.0125325625. The cubic root of 64947683 is about 401.9646739252.

The spelling of 64947683 in words is "sixty-four million, nine hundred forty-seven thousand, six hundred eighty-three".