5405318861906 has 16 divisors (see below), whose sum is σ = 8214637564224. Its totient is φ = 2667285449904.

The previous prime is 5405318861897. The next prime is 5405318861909. The reversal of 5405318861906 is 6091688135045.

It is not an unprimeable number, because it can be changed into a prime (5405318861909) 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, 44716796 + ... + 44837511.

It is an arithmetic number, because the mean of its divisors is an integer number (513414847764).

Almost surely, 2^{5405318861906} is an apocalyptic number.

5405318861906 is a deficient number, since it is larger than the sum of its proper divisors (2809318702318).

5405318861906 is a wasteful number, since it uses less digits than its factorization.

5405318861906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89554705.

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 5405318861906 in words is "five trillion, four hundred five billion, three hundred eighteen million, eight hundred sixty-one thousand, nine hundred six".