18896773441 has 8 divisors (see below), whose sum is σ = 23257567424. Its totient is φ = 14951293200.

The previous prime is 18896773429. The next prime is 18896773451. The reversal of 18896773441 is 14437769881.

It is a happy number.

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 18896773441 - 2¹¹ = 18896771393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18896773411) 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, 103828335 + ... + 103828516.

It is an arithmetic number, because the mean of its divisors is an integer number (2907195928).

Almost surely, 2^18896773441 is an apocalyptic number.

It is an amenable number.

18896773441 is a deficient number, since it is larger than the sum of its proper divisors (4360793983).

18896773441 is a wasteful number, since it uses less digits than its factorization.

18896773441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207656871.

The product of its digits is 8128512, while the sum is 58.

The spelling of 18896773441 in words is "eighteen billion, eight hundred ninety-six million, seven hundred seventy-three thousand, four hundred forty-one".