1406906671 has 2 divisors, whose sum is σ = 1406906672. Its totient is φ = 1406906670.

The previous prime is 1406906663. The next prime is 1406906693. The reversal of 1406906671 is 1766096041.

It is a weak prime.

It is an emirp because it is prime and its reverse (1766096041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1406906671 - 2³ = 1406906663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406906771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703453335 + 703453336.

It is an arithmetic number, because the mean of its divisors is an integer number (703453336).

Almost surely, 2^1406906671 is an apocalyptic number.

1406906671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406906671 is an equidigital number, since it uses as much as digits as its factorization.

1406906671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 1406906671 is about 37508.7545914284. The cubic root of 1406906671 is about 1120.5255481558.

The spelling of 1406906671 in words is "one billion, four hundred six million, nine hundred six thousand, six hundred seventy-one".