406706737407 has 4 divisors (see below), whose sum is σ = 542275649880. Its totient is φ = 271137824936.

The previous prime is 406706737379. The next prime is 406706737439. The reversal of 406706737407 is 704737607604.

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 406706737407 - 2¹¹ = 406706735359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 406706737407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406706737807) 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, 67784456232 + ... + 67784456237.

It is an arithmetic number, because the mean of its divisors is an integer number (135568912470).

Almost surely, 2^406706737407 is an apocalyptic number.

406706737407 is a deficient number, since it is larger than the sum of its proper divisors (135568912473).

406706737407 is a wasteful number, since it uses less digits than its factorization.

406706737407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135568912472.

The product of its (nonzero) digits is 4148928, while the sum is 51.

The spelling of 406706737407 in words is "four hundred six billion, seven hundred six million, seven hundred thirty-seven thousand, four hundred seven".