18099041 has 2 divisors, whose sum is σ = 18099042. Its totient is φ = 18099040.

The previous prime is 18099013. The next prime is 18099043. The reversal of 18099041 is 14099081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16483600 + 1615441 = 4060^2 + 1271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18099041 is a prime.

Together with 18099043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 18098989 and 18099007.

It is not a weakly prime, because it can be changed into another prime (18099043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9049520 + 9049521.

It is an arithmetic number, because the mean of its divisors is an integer number (9049521).

Almost surely, 2^18099041 is an apocalyptic number.

It is an amenable number.

18099041 is a deficient number, since it is larger than the sum of its proper divisors (1).

18099041 is an equidigital number, since it uses as much as digits as its factorization.

18099041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 18099041 is about 4254.2967691500. The cubic root of 18099041 is about 262.5539287537.

The spelling of 18099041 in words is "eighteen million, ninety-nine thousand, forty-one".