19342490347 has 2 divisors, whose sum is σ = 19342490348. Its totient is φ = 19342490346.

The previous prime is 19342490263. The next prime is 19342490359. The reversal of 19342490347 is 74309424391.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19342490347 - 2¹⁵ = 19342457579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19342490297 and 19342490306.

It is not a weakly prime, because it can be changed into another prime (19342490147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9671245173 + 9671245174.

It is an arithmetic number, because the mean of its divisors is an integer number (9671245174).

Almost surely, 2^19342490347 is an apocalyptic number.

19342490347 is a deficient number, since it is larger than the sum of its proper divisors (1).

19342490347 is an equidigital number, since it uses as much as digits as its factorization.

19342490347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 19342490347 in words is "nineteen billion, three hundred forty-two million, four hundred ninety thousand, three hundred forty-seven".