19682954089 has 2 divisors, whose sum is σ = 19682954090. Its totient is φ = 19682954088.

The previous prime is 19682954051. The next prime is 19682954113. The reversal of 19682954089 is 98045928691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19572010000 + 110944089 = 139900^2 + 10533^2 .

It is a cyclic number.

It is not a de Polignac number, because 19682954089 - 2¹³ = 19682945897 is a prime.

It is not a weakly prime, because it can be changed into another prime (19682954189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9841477044 + 9841477045.

It is an arithmetic number, because the mean of its divisors is an integer number (9841477045).

Almost surely, 2^19682954089 is an apocalyptic number.

It is an amenable number.

19682954089 is a deficient number, since it is larger than the sum of its proper divisors (1).

19682954089 is an equidigital number, since it uses as much as digits as its factorization.

19682954089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11197440, while the sum is 61.

The spelling of 19682954089 in words is "nineteen billion, six hundred eighty-two million, nine hundred fifty-four thousand, eighty-nine".