109408463 has 4 divisors (see below), whose sum is σ = 110431080. Its totient is φ = 108385848.

The previous prime is 109408427. The next prime is 109408477. The reversal of 109408463 is 364804901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109408463 - 2⁶ = 109408399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109408363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511148 + ... + 511361.

It is an arithmetic number, because the mean of its divisors is an integer number (27607770).

Almost surely, 2^109408463 is an apocalyptic number.

109408463 is a deficient number, since it is larger than the sum of its proper divisors (1022617).

109408463 is a wasteful number, since it uses less digits than its factorization.

109408463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022616.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 109408463 is about 10459.8500467263. The cubic root of 109408463 is about 478.2815620848.

The spelling of 109408463 in words is "one hundred nine million, four hundred eight thousand, four hundred sixty-three".