6405671270 has 16 divisors (see below), whose sum is σ = 11533285440. Its totient is φ = 2561584704.

The previous prime is 6405671231. The next prime is 6405671273. The reversal of 6405671270 is 721765046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6405671273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45230 + ... + 121889.

It is an arithmetic number, because the mean of its divisors is an integer number (720830340).

Almost surely, 2^6405671270 is an apocalyptic number.

6405671270 is a deficient number, since it is larger than the sum of its proper divisors (5127614170).

6405671270 is a wasteful number, since it uses less digits than its factorization.

6405671270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170959.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 6405671270 is about 80035.4375886082. The cubic root of 6405671270 is about 1857.1837820257.

The spelling of 6405671270 in words is "six billion, four hundred five million, six hundred seventy-one thousand, two hundred seventy".