5671709128 has 8 divisors (see below), whose sum is σ = 10634454630. Its totient is φ = 2835854560.

The previous prime is 5671709119. The next prime is 5671709143. The reversal of 5671709128 is 8219071765.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5568442884 + 103266244 = 74622^2 + 10162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354481813 + ... + 354481828.

Almost surely, 2^5671709128 is an apocalyptic number.

It is an amenable number.

5671709128 is a deficient number, since it is larger than the sum of its proper divisors (4962745502).

5671709128 is a wasteful number, since it uses less digits than its factorization.

5671709128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708963647 (or 708963643 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 46.

The square root of 5671709128 is about 75310.7504145325. The cubic root of 5671709128 is about 1783.3557375549.

The spelling of 5671709128 in words is "five billion, six hundred seventy-one million, seven hundred nine thousand, one hundred twenty-eight".