6405712007 has 2 divisors, whose sum is σ = 6405712008. Its totient is φ = 6405712006.

The previous prime is 6405711929. The next prime is 6405712051. The reversal of 6405712007 is 7002175046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6405712007 - 2⁸ = 6405711751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6405717007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3202856003 + 3202856004.

It is an arithmetic number, because the mean of its divisors is an integer number (3202856004).

Almost surely, 2^6405712007 is an apocalyptic number.

6405712007 is a deficient number, since it is larger than the sum of its proper divisors (1).

6405712007 is an equidigital number, since it uses as much as digits as its factorization.

6405712007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 6405712007 is about 80035.6920817206. The cubic root of 6405712007 is about 1857.1877189504.

The spelling of 6405712007 in words is "six billion, four hundred five million, seven hundred twelve thousand, seven".