19314608543 has 2 divisors, whose sum is σ = 19314608544. Its totient is φ = 19314608542.

The previous prime is 19314608491. The next prime is 19314608557. The reversal of 19314608543 is 34580641391.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19314608543 - 2³⁰ = 18240866719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19314608494 and 19314608503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19314608563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9657304271 + 9657304272.

It is an arithmetic number, because the mean of its divisors is an integer number (9657304272).

Almost surely, 2^19314608543 is an apocalyptic number.

19314608543 is a deficient number, since it is larger than the sum of its proper divisors (1).

19314608543 is an equidigital number, since it uses as much as digits as its factorization.

19314608543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 19314608543 in words is "nineteen billion, three hundred fourteen million, six hundred eight thousand, five hundred forty-three".