19470920297 has 2 divisors, whose sum is σ = 19470920298. Its totient is φ = 19470920296.

The previous prime is 19470920243. The next prime is 19470920303. The reversal of 19470920297 is 79202907491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19461366016 + 9554281 = 139504^2 + 3091^2 .

It is a cyclic number.

It is not a de Polignac number, because 19470920297 - 2¹⁸ = 19470658153 is a prime.

It is not a weakly prime, because it can be changed into another prime (19470920237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9735460148 + 9735460149.

It is an arithmetic number, because the mean of its divisors is an integer number (9735460149).

Almost surely, 2^19470920297 is an apocalyptic number.

It is an amenable number.

19470920297 is a deficient number, since it is larger than the sum of its proper divisors (1).

19470920297 is an equidigital number, since it uses as much as digits as its factorization.

19470920297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 50.

The spelling of 19470920297 in words is "nineteen billion, four hundred seventy million, nine hundred twenty thousand, two hundred ninety-seven".