64473530675933 has 2 divisors, whose sum is σ = 64473530675934. Its totient is φ = 64473530675932.

The previous prime is 64473530675921. The next prime is 64473530676053. The reversal of 64473530675933 is 33957603537446.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61360698556249 + 3112832119684 = 7833307^2 + 1764322^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64473530675933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64473530675933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64473530675233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32236765337966 + 32236765337967.

It is an arithmetic number, because the mean of its divisors is an integer number (32236765337967).

Almost surely, 2^{64473530675933} is an apocalyptic number.

It is an amenable number.

64473530675933 is a deficient number, since it is larger than the sum of its proper divisors (1).

64473530675933 is an equidigital number, since it uses as much as digits as its factorization.

64473530675933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 514382400, while the sum is 65.

The spelling of 64473530675933 in words is "sixty-four trillion, four hundred seventy-three billion, five hundred thirty million, six hundred seventy-five thousand, nine hundred thirty-three".