19975359563 has 2 divisors, whose sum is σ = 19975359564. Its totient is φ = 19975359562.

The previous prime is 19975359559. The next prime is 19975359583. The reversal of 19975359563 is 36595357991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19975359563 - 2² = 19975359559 is a prime.

It is a super-2 number, since 2×19975359563² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19975359496 and 19975359505.

It is not a weakly prime, because it can be changed into another prime (19975359553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9987679781 + 9987679782.

It is an arithmetic number, because the mean of its divisors is an integer number (9987679782).

Almost surely, 2^19975359563 is an apocalyptic number.

19975359563 is a deficient number, since it is larger than the sum of its proper divisors (1).

19975359563 is an equidigital number, since it uses as much as digits as its factorization.

19975359563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34445250, while the sum is 62.

The spelling of 19975359563 in words is "nineteen billion, nine hundred seventy-five million, three hundred fifty-nine thousand, five hundred sixty-three".