19295950979 has 2 divisors, whose sum is σ = 19295950980. Its totient is φ = 19295950978.

The previous prime is 19295950969. The next prime is 19295951027. The reversal of 19295950979 is 97905959291.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19295950979 is a prime.

It is not a weakly prime, because it can be changed into another prime (19295950939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9647975489 + 9647975490.

It is an arithmetic number, because the mean of its divisors is an integer number (9647975490).

Almost surely, 2^19295950979 is an apocalyptic number.

19295950979 is a deficient number, since it is larger than the sum of its proper divisors (1).

19295950979 is an equidigital number, since it uses as much as digits as its factorization.

19295950979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20667150, while the sum is 65.

The spelling of 19295950979 in words is "nineteen billion, two hundred ninety-five million, nine hundred fifty thousand, nine hundred seventy-nine".