1198508473 has 2 divisors, whose sum is σ = 1198508474. Its totient is φ = 1198508472.

The previous prime is 1198508411. The next prime is 1198508527. The reversal of 1198508473 is 3748058911.

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., 1169434809 + 29073664 = 34197^2 + 5392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1198508473 is a prime.

It is not a weakly prime, because it can be changed into another prime (1198508873) 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, 599254236 + 599254237.

It is an arithmetic number, because the mean of its divisors is an integer number (599254237).

Almost surely, 2^1198508473 is an apocalyptic number.

It is an amenable number.

1198508473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1198508473 is an equidigital number, since it uses as much as digits as its factorization.

1198508473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 1198508473 is about 34619.4811197395. The cubic root of 1198508473 is about 1062.2181133268.

The spelling of 1198508473 in words is "one billion, one hundred ninety-eight million, five hundred eight thousand, four hundred seventy-three".