18474226607 has 2 divisors, whose sum is σ = 18474226608. Its totient is φ = 18474226606.

The previous prime is 18474226579. The next prime is 18474226619. The reversal of 18474226607 is 70662247481.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18474226607 - 2¹⁶ = 18474161071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18474226637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9237113303 + 9237113304.

It is an arithmetic number, because the mean of its divisors is an integer number (9237113304).

Almost surely, 2^18474226607 is an apocalyptic number.

18474226607 is a deficient number, since it is larger than the sum of its proper divisors (1).

18474226607 is an equidigital number, since it uses as much as digits as its factorization.

18474226607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 18474226607 in words is "eighteen billion, four hundred seventy-four million, two hundred twenty-six thousand, six hundred seven".