1964949301793 has 2 divisors, whose sum is σ = 1964949301794. Its totient is φ = 1964949301792.

The previous prime is 1964949301787. The next prime is 1964949301829. The reversal of 1964949301793 is 3971039494691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1847226202129 + 117723099664 = 1359127^2 + 343108^2 .

It is a cyclic number.

It is not a de Polignac number, because 1964949301793 - 2¹² = 1964949297697 is a prime.

It is a super-2 number, since 2×1964949301793² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1964949301193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982474650896 + 982474650897.

It is an arithmetic number, because the mean of its divisors is an integer number (982474650897).

Almost surely, 2^{1964949301793} is an apocalyptic number.

It is an amenable number.

1964949301793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1964949301793 is an equidigital number, since it uses as much as digits as its factorization.

1964949301793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39680928, while the sum is 65.

The spelling of 1964949301793 in words is "one trillion, nine hundred sixty-four billion, nine hundred forty-nine million, three hundred one thousand, seven hundred ninety-three".