1698147041 has 2 divisors, whose sum is σ = 1698147042. Its totient is φ = 1698147040.

The previous prime is 1698146999. The next prime is 1698147043. The reversal of 1698147041 is 1407418961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1318053025 + 380094016 = 36305^2 + 19496^2 .

It is a cyclic number.

It is not a de Polignac number, because 1698147041 - 2³⁰ = 624405217 is a prime.

Together with 1698147043, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1698147041.

It is not a weakly prime, because it can be changed into another prime (1698147043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 849073520 + 849073521.

It is an arithmetic number, because the mean of its divisors is an integer number (849073521).

Almost surely, 2^1698147041 is an apocalyptic number.

It is an amenable number.

1698147041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1698147041 is an equidigital number, since it uses as much as digits as its factorization.

1698147041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1698147041 is about 41208.5797013195. The cubic root of 1698147041 is about 1193.0494116541.

The spelling of 1698147041 in words is "one billion, six hundred ninety-eight million, one hundred forty-seven thousand, forty-one".