1964594948093 has 2 divisors, whose sum is σ = 1964594948094. Its totient is φ = 1964594948092.

The previous prime is 1964594948047. The next prime is 1964594948143. The reversal of 1964594948093 is 3908494954691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1801667276644 + 162927671449 = 1342262^2 + 403643^2 .

It is a cyclic number.

It is not a de Polignac number, because 1964594948093 - 2²⁰ = 1964593899517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1964594948003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982297474046 + 982297474047.

It is an arithmetic number, because the mean of its divisors is an integer number (982297474047).

Almost surely, 2^{1964594948093} is an apocalyptic number.

It is an amenable number.

1964594948093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1964594948093 is an equidigital number, since it uses as much as digits as its factorization.

1964594948093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302330880, while the sum is 71.

The spelling of 1964594948093 in words is "one trillion, nine hundred sixty-four billion, five hundred ninety-four million, nine hundred forty-eight thousand, ninety-three".