19741202843 has 2 divisors, whose sum is σ = 19741202844. Its totient is φ = 19741202842.

The previous prime is 19741202821. The next prime is 19741202849. The reversal of 19741202843 is 34820214791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19741202843 - 2¹⁸ = 19740940699 is a prime.

It is a super-3 number, since 3×19741202843³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19741202843.

It is not a weakly prime, because it can be changed into another prime (19741202849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9870601421 + 9870601422.

It is an arithmetic number, because the mean of its divisors is an integer number (9870601422).

Almost surely, 2^19741202843 is an apocalyptic number.

19741202843 is a deficient number, since it is larger than the sum of its proper divisors (1).

19741202843 is an equidigital number, since it uses as much as digits as its factorization.

19741202843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 19741202843 in words is "nineteen billion, seven hundred forty-one million, two hundred two thousand, eight hundred forty-three".