19467794413 has 2 divisors, whose sum is σ = 19467794414. Its totient is φ = 19467794412.

The previous prime is 19467794369. The next prime is 19467794491. The reversal of 19467794413 is 31449776491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12795681924 + 6672112489 = 113118^2 + 81683^2 .

It is a cyclic number.

It is not a de Polignac number, because 19467794413 - 2²¹ = 19465697261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19467794513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9733897206 + 9733897207.

It is an arithmetic number, because the mean of its divisors is an integer number (9733897207).

Almost surely, 2^19467794413 is an apocalyptic number.

It is an amenable number.

19467794413 is a deficient number, since it is larger than the sum of its proper divisors (1).

19467794413 is an equidigital number, since it uses as much as digits as its factorization.

19467794413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 55.

The spelling of 19467794413 in words is "nineteen billion, four hundred sixty-seven million, seven hundred ninety-four thousand, four hundred thirteen".