96643619 has 2 divisors, whose sum is σ = 96643620. Its totient is φ = 96643618.

The previous prime is 96643583. The next prime is 96643621. The reversal of 96643619 is 91634669.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 96643619 - 2²⁰ = 95595043 is a prime.

It is a super-2 number, since 2×96643619² = 18679978186834322, which contains 22 as substring.

Together with 96643621, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 96643619.

It is not a weakly prime, because it can be changed into another prime (96643639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48321809 + 48321810.

It is an arithmetic number, because the mean of its divisors is an integer number (48321810).

Almost surely, 2^96643619 is an apocalyptic number.

96643619 is a deficient number, since it is larger than the sum of its proper divisors (1).

96643619 is an equidigital number, since it uses as much as digits as its factorization.

96643619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 44.

The square root of 96643619 is about 9830.7486490094. The cubic root of 96643619 is about 458.9066962425.

The spelling of 96643619 in words is "ninety-six million, six hundred forty-three thousand, six hundred nineteen".