18476149333 has 2 divisors, whose sum is σ = 18476149334. Its totient is φ = 18476149332.

The previous prime is 18476149291. The next prime is 18476149381. The reversal of 18476149333 is 33394167481.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18476149329 + 4 = 135927^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 18476149333 - 2¹⁷ = 18476018261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18476143333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9238074666 + 9238074667.

It is an arithmetic number, because the mean of its divisors is an integer number (9238074667).

Almost surely, 2^18476149333 is an apocalyptic number.

It is an amenable number.

18476149333 is a deficient number, since it is larger than the sum of its proper divisors (1).

18476149333 is an equidigital number, since it uses as much as digits as its factorization.

18476149333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 49.

The spelling of 18476149333 in words is "eighteen billion, four hundred seventy-six million, one hundred forty-nine thousand, three hundred thirty-three".