1964882417 has 2 divisors, whose sum is σ = 1964882418. Its totient is φ = 1964882416.

The previous prime is 1964882411. The next prime is 1964882453. The reversal of 1964882417 is 7142884691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1456109281 + 508773136 = 38159^2 + 22556^2 .

It is an emirp because it is prime and its reverse (7142884691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1964882417 - 2¹⁰ = 1964881393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1964882411) 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, 982441208 + 982441209.

It is an arithmetic number, because the mean of its divisors is an integer number (982441209).

Almost surely, 2^1964882417 is an apocalyptic number.

It is an amenable number.

1964882417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1964882417 is an equidigital number, since it uses as much as digits as its factorization.

1964882417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 50.

The square root of 1964882417 is about 44326.9942247385. The cubic root of 1964882417 is about 1252.5032326747.

The spelling of 1964882417 in words is "one billion, nine hundred sixty-four million, eight hundred eighty-two thousand, four hundred seventeen".