19074717097 has 2 divisors, whose sum is σ = 19074717098. Its totient is φ = 19074717096.

The previous prime is 19074717031. The next prime is 19074717107. The reversal of 19074717097 is 79071747091.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14611007376 + 4463709721 = 120876^2 + 66811^2 .

It is a cyclic number.

It is not a de Polignac number, because 19074717097 - 2¹⁵ = 19074684329 is a prime.

It is not a weakly prime, because it can be changed into another prime (19074717797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9537358548 + 9537358549.

It is an arithmetic number, because the mean of its divisors is an integer number (9537358549).

Almost surely, 2^19074717097 is an apocalyptic number.

It is an amenable number.

19074717097 is a deficient number, since it is larger than the sum of its proper divisors (1).

19074717097 is an equidigital number, since it uses as much as digits as its factorization.

19074717097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777924, while the sum is 52.

The spelling of 19074717097 in words is "nineteen billion, seventy-four million, seven hundred seventeen thousand, ninety-seven".