18892815041 has 2 divisors, whose sum is σ = 18892815042. Its totient is φ = 18892815040.

The previous prime is 18892815001. The next prime is 18892815079. The reversal of 18892815041 is 14051829881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11543353600 + 7349461441 = 107440^2 + 85729^2 .

It is a cyclic number.

It is not a de Polignac number, because 18892815041 - 2¹⁴ = 18892798657 is a prime.

It is not a weakly prime, because it can be changed into another prime (18892815001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9446407520 + 9446407521.

It is an arithmetic number, because the mean of its divisors is an integer number (9446407521).

Almost surely, 2^18892815041 is an apocalyptic number.

It is an amenable number.

18892815041 is a deficient number, since it is larger than the sum of its proper divisors (1).

18892815041 is an equidigital number, since it uses as much as digits as its factorization.

18892815041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 47.

The spelling of 18892815041 in words is "eighteen billion, eight hundred ninety-two million, eight hundred fifteen thousand, forty-one".