1964357119993 has 2 divisors, whose sum is σ = 1964357119994. Its totient is φ = 1964357119992.

The previous prime is 1964357119987. The next prime is 1964357120053. The reversal of 1964357119993 is 3999117534691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1750466594704 + 213890525289 = 1323052^2 + 462483^2 .

It is a cyclic number.

It is not a de Polignac number, because 1964357119993 - 2⁵ = 1964357119961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1964357119943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982178559996 + 982178559997.

It is an arithmetic number, because the mean of its divisors is an integer number (982178559997).

Almost surely, 2^{1964357119993} is an apocalyptic number.

It is an amenable number.

1964357119993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1964357119993 is an equidigital number, since it uses as much as digits as its factorization.

1964357119993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49601160, while the sum is 67.

The spelling of 1964357119993 in words is "one trillion, nine hundred sixty-four billion, three hundred fifty-seven million, one hundred nineteen thousand, nine hundred ninety-three".