1964735953 has 2 divisors, whose sum is σ = 1964735954. Its totient is φ = 1964735952.

The previous prime is 1964735897. The next prime is 1964735989. The reversal of 1964735953 is 3595374691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1300539969 + 664195984 = 36063^2 + 25772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1964735953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1964735953.

It is not a weakly prime, because it can be changed into another prime (1964735053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982367976 + 982367977.

It is an arithmetic number, because the mean of its divisors is an integer number (982367977).

Almost surely, 2^1964735953 is an apocalyptic number.

It is an amenable number.

1964735953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1964735953 is an equidigital number, since it uses as much as digits as its factorization.

1964735953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3061800, while the sum is 52.

The square root of 1964735953 is about 44325.3421080988. The cubic root of 1964735953 is about 1252.4721110173.

The spelling of 1964735953 in words is "one billion, nine hundred sixty-four million, seven hundred thirty-five thousand, nine hundred fifty-three".