109478305663 has 8 divisors (see below), whose sum is σ = 109720389632. Its totient is φ = 109236293496.

The previous prime is 109478305603. The next prime is 109478305679. The reversal of 109478305663 is 366503874901.

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 a de Polignac number, because none of the positive numbers 2^k-109478305663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109478305663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109478305603) 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, 4022206 + ... + 4049332.

It is an arithmetic number, because the mean of its divisors is an integer number (13715048704).

Almost surely, 2^109478305663 is an apocalyptic number.

109478305663 is a deficient number, since it is larger than the sum of its proper divisors (242083969).

109478305663 is an equidigital number, since it uses as much as digits as its factorization.

109478305663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35901.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 109478305663 in words is "one hundred nine billion, four hundred seventy-eight million, three hundred five thousand, six hundred sixty-three".