18048468377 has 2 divisors, whose sum is σ = 18048468378. Its totient is φ = 18048468376.

The previous prime is 18048468371. The next prime is 18048468397. The reversal of 18048468377 is 77386484081.

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., 9425303056 + 8623165321 = 97084^2 + 92861^2 .

It is a cyclic number.

It is not a de Polignac number, because 18048468377 - 2⁶ = 18048468313 is a prime.

It is a super-4 number, since 4×18048468377⁴ (a number of 42 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (18048468371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9024234188 + 9024234189.

It is an arithmetic number, because the mean of its divisors is an integer number (9024234189).

Almost surely, 2^18048468377 is an apocalyptic number.

It is an amenable number.

18048468377 is a deficient number, since it is larger than the sum of its proper divisors (1).

18048468377 is an equidigital number, since it uses as much as digits as its factorization.

18048468377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7225344, while the sum is 56.

The spelling of 18048468377 in words is "eighteen billion, forty-eight million, four hundred sixty-eight thousand, three hundred seventy-seven".