1679069671 has 4 divisors (see below), whose sum is σ = 1691325792. Its totient is φ = 1666813552.

The previous prime is 1679069519. The next prime is 1679069687. The reversal of 1679069671 is 1769609761.

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 1679069671 - 2¹¹ = 1679067623 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 (1679069471) 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, 6127855 + ... + 6128128.

It is an arithmetic number, because the mean of its divisors is an integer number (422831448).

Almost surely, 2^1679069671 is an apocalyptic number.

1679069671 is a deficient number, since it is larger than the sum of its proper divisors (12256121).

1679069671 is a wasteful number, since it uses less digits than its factorization.

1679069671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12256120.

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 1679069671 is about 40976.4526405105. The cubic root of 1679069671 is about 1188.5649134089.

The spelling of 1679069671 in words is "one billion, six hundred seventy-nine million, sixty-nine thousand, six hundred seventy-one".