18672350351 has 2 divisors, whose sum is σ = 18672350352. Its totient is φ = 18672350350.

The previous prime is 18672350293. The next prime is 18672350357. The reversal of 18672350351 is 15305327681.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18672350351 - 2²² = 18668156047 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 18672350299 and 18672350308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18672350357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9336175175 + 9336175176.

It is an arithmetic number, because the mean of its divisors is an integer number (9336175176).

Almost surely, 2^18672350351 is an apocalyptic number.

18672350351 is a deficient number, since it is larger than the sum of its proper divisors (1).

18672350351 is an equidigital number, since it uses as much as digits as its factorization.

18672350351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 18672350351 in words is "eighteen billion, six hundred seventy-two million, three hundred fifty thousand, three hundred fifty-one".