64033233049 has 2 divisors, whose sum is σ = 64033233050. Its totient is φ = 64033233048.

The previous prime is 64033233037. The next prime is 64033233067. The reversal of 64033233049 is 94033233046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42335943049 + 21697290000 = 205757^2 + 147300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64033233049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64033232999 and 64033233017.

It is not a weakly prime, because it can be changed into another prime (64033233079) 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, 32016616524 + 32016616525.

It is an arithmetic number, because the mean of its divisors is an integer number (32016616525).

Almost surely, 2^64033233049 is an apocalyptic number.

It is an amenable number.

64033233049 is a deficient number, since it is larger than the sum of its proper divisors (1).

64033233049 is an equidigital number, since it uses as much as digits as its factorization.

64033233049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 37.

The spelling of 64033233049 in words is "sixty-four billion, thirty-three million, two hundred thirty-three thousand, forty-nine".