1964612159 has 2 divisors, whose sum is σ = 1964612160. Its totient is φ = 1964612158.

The previous prime is 1964612107. The next prime is 1964612171. The reversal of 1964612159 is 9512164691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1964612159 - 2²⁰ = 1963563583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1964612959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982306079 + 982306080.

It is an arithmetic number, because the mean of its divisors is an integer number (982306080).

Almost surely, 2^1964612159 is an apocalyptic number.

1964612159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1964612159 is an equidigital number, since it uses as much as digits as its factorization.

1964612159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 44.

The square root of 1964612159 is about 44323.9456614593. The cubic root of 1964612159 is about 1252.4458052282.

The spelling of 1964612159 in words is "one billion, nine hundred sixty-four million, six hundred twelve thousand, one hundred fifty-nine".