19302468881 has 2 divisors, whose sum is σ = 19302468882. Its totient is φ = 19302468880.

The previous prime is 19302468877. The next prime is 19302468907. The reversal of 19302468881 is 18886420391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12179108881 + 7123360000 = 110359^2 + 84400^2 .

It is a cyclic number.

It is not a de Polignac number, because 19302468881 - 2² = 19302468877 is a prime.

It is a super-2 number, since 2×19302468881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19302468811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9651234440 + 9651234441.

It is an arithmetic number, because the mean of its divisors is an integer number (9651234441).

Almost surely, 2^19302468881 is an apocalyptic number.

It is an amenable number.

19302468881 is a deficient number, since it is larger than the sum of its proper divisors (1).

19302468881 is an equidigital number, since it uses as much as digits as its factorization.

19302468881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663552, while the sum is 50.

The spelling of 19302468881 in words is "nineteen billion, three hundred two million, four hundred sixty-eight thousand, eight hundred eighty-one".