406673700407 has 4 divisors (see below), whose sum is σ = 437956292760. Its totient is φ = 375391108056.

The previous prime is 406673700403. The next prime is 406673700413. The reversal of 406673700407 is 704007376604.

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 406673700407 - 2² = 406673700403 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 (406673700401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15641296157 + ... + 15641296182.

It is an arithmetic number, because the mean of its divisors is an integer number (109489073190).

Almost surely, 2^406673700407 is an apocalyptic number.

406673700407 is a deficient number, since it is larger than the sum of its proper divisors (31282592353).

406673700407 is a wasteful number, since it uses less digits than its factorization.

406673700407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31282592352.

The product of its (nonzero) digits is 592704, while the sum is 44.

The spelling of 406673700407 in words is "four hundred six billion, six hundred seventy-three million, seven hundred thousand, four hundred seven".