19091937382963 has 2 divisors, whose sum is σ = 19091937382964. Its totient is φ = 19091937382962.

The previous prime is 19091937382883. The next prime is 19091937383011. The reversal of 19091937382963 is 36928373919091.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19091937382963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19091937382892 and 19091937382901.

It is not a weakly prime, because it can be changed into another prime (19091907382963) 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, 9545968691481 + 9545968691482.

It is an arithmetic number, because the mean of its divisors is an integer number (9545968691482).

Almost surely, 2^{19091937382963} is an apocalyptic number.

19091937382963 is a deficient number, since it is larger than the sum of its proper divisors (1).

19091937382963 is an equidigital number, since it uses as much as digits as its factorization.

19091937382963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 119042784, while the sum is 70.

The spelling of 19091937382963 in words is "nineteen trillion, ninety-one billion, nine hundred thirty-seven million, three hundred eighty-two thousand, nine hundred sixty-three".