9419199997 has 2 divisors, whose sum is σ = 9419199998. Its totient is φ = 9419199996.

The previous prime is 9419199961. The next prime is 9419200003. The reversal of 9419199997 is 7999919149.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6225367801 + 3193832196 = 78901^2 + 56514^2 .

It is a cyclic number.

It is not a de Polignac number, because 9419199997 - 2³¹ = 7271716349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9419199917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4709599998 + 4709599999.

It is an arithmetic number, because the mean of its divisors is an integer number (4709599999).

Almost surely, 2^9419199997 is an apocalyptic number.

It is an amenable number.

9419199997 is a deficient number, since it is larger than the sum of its proper divisors (1).

9419199997 is an equidigital number, since it uses as much as digits as its factorization.

9419199997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14880348, while the sum is 67.

The square root of 9419199997 is about 97052.5630624972. The cubic root of 9419199997 is about 2111.8902221078.

The spelling of 9419199997 in words is "nine billion, four hundred nineteen million, one hundred ninety-nine thousand, nine hundred ninety-seven".