18904476029 has 8 divisors (see below), whose sum is σ = 19031653752. Its totient is φ = 18777600000.

The previous prime is 18904475957. The next prime is 18904476047. The reversal of 18904476029 is 92067440981.

It can be written as a sum of positive squares in 4 ways, for example, as 26265625 + 18878210404 = 5125^2 + 137398^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18904476029 - 2⁸ = 18904475773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18904476229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51029 + ... + 201029.

It is an arithmetic number, because the mean of its divisors is an integer number (2378956719).

Almost surely, 2^18904476029 is an apocalyptic number.

It is an amenable number.

18904476029 is a deficient number, since it is larger than the sum of its proper divisors (127177723).

18904476029 is a wasteful number, since it uses less digits than its factorization.

18904476029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150847.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 18904476029 in words is "eighteen billion, nine hundred four million, four hundred seventy-six thousand, twenty-nine".