52619646619 has 2 divisors, whose sum is σ = 52619646620. Its totient is φ = 52619646618.

The previous prime is 52619646587. The next prime is 52619646637. The reversal of 52619646619 is 91664691625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52619646619 - 2⁵ = 52619646587 is a prime.

It is a super-2 number, since 2×52619646619² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52619646619.

It is not a weakly prime, because it can be changed into another prime (52619641619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26309823309 + 26309823310.

It is an arithmetic number, because the mean of its divisors is an integer number (26309823310).

Almost surely, 2^52619646619 is an apocalyptic number.

52619646619 is a deficient number, since it is larger than the sum of its proper divisors (1).

52619646619 is an equidigital number, since it uses as much as digits as its factorization.

52619646619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 55.

The spelling of 52619646619 in words is "fifty-two billion, six hundred nineteen million, six hundred forty-six thousand, six hundred nineteen".