2064440633 has 2 divisors, whose sum is σ = 2064440634. Its totient is φ = 2064440632.

The previous prime is 2064440617. The next prime is 2064440723. The reversal of 2064440633 is 3360444602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1473561769 + 590878864 = 38387^2 + 24308^2 .

It is a cyclic number.

It is not a de Polignac number, because 2064440633 - 2⁴ = 2064440617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2064440633.

It is not a weakly prime, because it can be changed into another prime (2064449633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032220316 + 1032220317.

It is an arithmetic number, because the mean of its divisors is an integer number (1032220317).

Almost surely, 2^2064440633 is an apocalyptic number.

It is an amenable number.

2064440633 is a deficient number, since it is larger than the sum of its proper divisors (1).

2064440633 is an equidigital number, since it uses as much as digits as its factorization.

2064440633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 32.

The square root of 2064440633 is about 45436.1159541614. The cubic root of 2064440633 is about 1273.3099500395.

The spelling of 2064440633 in words is "two billion, sixty-four million, four hundred forty thousand, six hundred thirty-three".