1679911492 has 18 divisors (see below), whose sum is σ = 3419820222. Its totient is φ = 719961984.

The previous prime is 1679911477. The next prime is 1679911511. The reversal of 1679911492 is 2941199761.

It can be written as a sum of positive squares in only one way, i.e., 1293553156 + 386358336 = 35966^2 + 19656^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4285293 + ... + 4285684.

Almost surely, 2^1679911492 is an apocalyptic number.

It is an amenable number.

1679911492 is an abundant number, since it is smaller than the sum of its proper divisors (1739908730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1679911492 is a wasteful number, since it uses less digits than its factorization.

1679911492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8570995 (or 8570986 counting only the distinct ones).

The product of its digits is 244944, while the sum is 49.

The square root of 1679911492 is about 40986.7233625719. The cubic root of 1679911492 is about 1188.7635138112.

The spelling of 1679911492 in words is "one billion, six hundred seventy-nine million, nine hundred eleven thousand, four hundred ninety-two".