19048269397 has 2 divisors, whose sum is σ = 19048269398. Its totient is φ = 19048269396.

The previous prime is 19048269391. The next prime is 19048269403. The reversal of 19048269397 is 79396284091.

It is a balanced prime because it is at equal distance from previous prime (19048269391) and next prime (19048269403).

It can be written as a sum of positive squares in only one way, i.e., 13471316356 + 5576953041 = 116066^2 + 74679^2 .

It is a cyclic number.

It is not a de Polignac number, because 19048269397 - 2³ = 19048269389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19048269391) 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, 9524134698 + 9524134699.

It is an arithmetic number, because the mean of its divisors is an integer number (9524134699).

Almost surely, 2^19048269397 is an apocalyptic number.

It is an amenable number.

19048269397 is a deficient number, since it is larger than the sum of its proper divisors (1).

19048269397 is an equidigital number, since it uses as much as digits as its factorization.

19048269397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 19048269397 in words is "nineteen billion, forty-eight million, two hundred sixty-nine thousand, three hundred ninety-seven".