18574941071 has 2 divisors, whose sum is σ = 18574941072. Its totient is φ = 18574941070.

The previous prime is 18574941053. The next prime is 18574941079. The reversal of 18574941071 is 17014947581.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18574941071 - 2²⁶ = 18507832207 is a prime.

It is a super-2 number, since 2×18574941071² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18574941079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9287470535 + 9287470536.

It is an arithmetic number, because the mean of its divisors is an integer number (9287470536).

Almost surely, 2^18574941071 is an apocalyptic number.

18574941071 is a deficient number, since it is larger than the sum of its proper divisors (1).

18574941071 is an equidigital number, since it uses as much as digits as its factorization.

18574941071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 47.

The spelling of 18574941071 in words is "eighteen billion, five hundred seventy-four million, nine hundred forty-one thousand, seventy-one".