619651060979 has 2 divisors, whose sum is σ = 619651060980. Its totient is φ = 619651060978.

The previous prime is 619651060961. The next prime is 619651060981. The reversal of 619651060979 is 979060156916.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-619651060979 is a prime.

Together with 619651060981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (619651060999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309825530489 + 309825530490.

It is an arithmetic number, because the mean of its divisors is an integer number (309825530490).

Almost surely, 2^619651060979 is an apocalyptic number.

619651060979 is a deficient number, since it is larger than the sum of its proper divisors (1).

619651060979 is an equidigital number, since it uses as much as digits as its factorization.

619651060979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5511240, while the sum is 59.

The spelling of 619651060979 in words is "six hundred nineteen billion, six hundred fifty-one million, sixty thousand, nine hundred seventy-nine".