18208411046741 has 2 divisors, whose sum is σ = 18208411046742. Its totient is φ = 18208411046740.

The previous prime is 18208411046737. The next prime is 18208411046809. The reversal of 18208411046741 is 14764011480281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10913706888100 + 7294704158641 = 3303590^2 + 2700871^2 .

It is a cyclic number.

It is not a de Polignac number, because 18208411046741 - 2² = 18208411046737 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18208411046341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9104205523370 + 9104205523371.

It is an arithmetic number, because the mean of its divisors is an integer number (9104205523371).

Almost surely, 2^{18208411046741} is an apocalyptic number.

It is an amenable number.

18208411046741 is a deficient number, since it is larger than the sum of its proper divisors (1).

18208411046741 is an equidigital number, since it uses as much as digits as its factorization.

18208411046741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 344064, while the sum is 47.

The spelling of 18208411046741 in words is "eighteen trillion, two hundred eight billion, four hundred eleven million, forty-six thousand, seven hundred forty-one".