19230281297 has 2 divisors, whose sum is σ = 19230281298. Its totient is φ = 19230281296.

The previous prime is 19230281267. The next prime is 19230281309. The reversal of 19230281297 is 79218203291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18624333841 + 605947456 = 136471^2 + 24616^2 .

It is a cyclic number.

It is not a de Polignac number, because 19230281297 - 2¹² = 19230277201 is a prime.

It is not a weakly prime, because it can be changed into another prime (19230281207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9615140648 + 9615140649.

It is an arithmetic number, because the mean of its divisors is an integer number (9615140649).

Almost surely, 2^19230281297 is an apocalyptic number.

It is an amenable number.

19230281297 is a deficient number, since it is larger than the sum of its proper divisors (1).

19230281297 is an equidigital number, since it uses as much as digits as its factorization.

19230281297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 19230281297 in words is "nineteen billion, two hundred thirty million, two hundred eighty-one thousand, two hundred ninety-seven".