406700670671 has 4 divisors (see below), whose sum is σ = 430624239552. Its totient is φ = 382777101792.

The previous prime is 406700670667. The next prime is 406700670781. The reversal of 406700670671 is 176076007604.

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 406700670671 - 2² = 406700670667 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 (406700670641) 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, 11961784415 + ... + 11961784448.

It is an arithmetic number, because the mean of its divisors is an integer number (107656059888).

Almost surely, 2^406700670671 is an apocalyptic number.

406700670671 is a deficient number, since it is larger than the sum of its proper divisors (23923568881).

406700670671 is a wasteful number, since it uses less digits than its factorization.

406700670671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23923568880.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 406700670671 in words is "four hundred six billion, seven hundred million, six hundred seventy thousand, six hundred seventy-one".