18959441607 has 16 divisors (see below), whose sum is σ = 29740301280. Its totient is φ = 11896119936.

The previous prime is 18959441591. The next prime is 18959441629. The reversal of 18959441607 is 70614495981.

18959441607 is a `hidden beast` number, since 1 + 8 + 9 + 594 + 41 + 6 + 0 + 7 = 666.

It is not a de Polignac number, because 18959441607 - 2⁴ = 18959441591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18959441107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20652528 + ... + 20653445.

It is an arithmetic number, because the mean of its divisors is an integer number (1858768830).

Almost surely, 2^18959441607 is an apocalyptic number.

18959441607 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

18959441607 is a deficient number, since it is larger than the sum of its proper divisors (10780859673).

18959441607 is a wasteful number, since it uses less digits than its factorization.

18959441607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41305999 (or 41305993 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 18959441607 in words is "eighteen billion, nine hundred fifty-nine million, four hundred forty-one thousand, six hundred seven".