18482399377 has 16 divisors (see below), whose sum is σ = 19973595600. Its totient is φ = 17001234432.

The previous prime is 18482399357. The next prime is 18482399431. The reversal of 18482399377 is 77399328481.

It can be written as a sum of positive squares in 8 ways, for example, as 14676561 + 18467722816 = 3831^2 + 135896^2 .

It is not a de Polignac number, because 18482399377 - 2⁷ = 18482399249 is a prime.

It is a super-3 number, since 3×18482399377³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18482399347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6378393 + ... + 6381289.

It is an arithmetic number, because the mean of its divisors is an integer number (1248349725).

Almost surely, 2^18482399377 is an apocalyptic number.

It is an amenable number.

18482399377 is a deficient number, since it is larger than the sum of its proper divisors (1491196223).

18482399377 is a wasteful number, since it uses less digits than its factorization.

18482399377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4452.

The product of its digits is 18289152, while the sum is 61.

The spelling of 18482399377 in words is "eighteen billion, four hundred eighty-two million, three hundred ninety-nine thousand, three hundred seventy-seven".