64699295033 has 2 divisors, whose sum is σ = 64699295034. Its totient is φ = 64699295032.

The previous prime is 64699295027. The next prime is 64699295047. The reversal of 64699295033 is 33059299646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33254075449 + 31445219584 = 182357^2 + 177328^2 .

It is a cyclic number.

It is not a de Polignac number, because 64699295033 - 2¹² = 64699290937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64699295033.

It is not a weakly prime, because it can be changed into another prime (64699295053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32349647516 + 32349647517.

It is an arithmetic number, because the mean of its divisors is an integer number (32349647517).

Almost surely, 2^64699295033 is an apocalyptic number.

It is an amenable number.

64699295033 is a deficient number, since it is larger than the sum of its proper divisors (1).

64699295033 is an equidigital number, since it uses as much as digits as its factorization.

64699295033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9447840, while the sum is 56.

The spelling of 64699295033 in words is "sixty-four billion, six hundred ninety-nine million, two hundred ninety-five thousand, thirty-three".