1964165263 has 2 divisors, whose sum is σ = 1964165264. Its totient is φ = 1964165262.

The previous prime is 1964165251. The next prime is 1964165279. The reversal of 1964165263 is 3625614691.

It is a weak prime.

It is an emirp because it is prime and its reverse (3625614691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1964165263 - 2¹³ = 1964157071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1964163263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982082631 + 982082632.

It is an arithmetic number, because the mean of its divisors is an integer number (982082632).

Almost surely, 2^1964165263 is an apocalyptic number.

1964165263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1964165263 is an equidigital number, since it uses as much as digits as its factorization.

1964165263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 43.

The square root of 1964165263 is about 44318.9041267945. The cubic root of 1964165263 is about 1252.3508322055.

The spelling of 1964165263 in words is "one billion, nine hundred sixty-four million, one hundred sixty-five thousand, two hundred sixty-three".