1679131442 has 8 divisors (see below), whose sum is σ = 2518872876. Its totient is φ = 839507152.

The previous prime is 1679131397. The next prime is 1679131453. The reversal of 1679131442 is 2441319761.

It can be written as a sum of positive squares in 2 ways, for example, as 1640331001 + 38800441 = 40501^2 + 6229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1679131396 and 1679131405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33308 + ... + 66840.

Almost surely, 2^1679131442 is an apocalyptic number.

1679131442 is a deficient number, since it is larger than the sum of its proper divisors (839741434).

1679131442 is a wasteful number, since it uses less digits than its factorization.

1679131442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58572.

The product of its digits is 36288, while the sum is 38.

The square root of 1679131442 is about 40977.2063713475. The cubic root of 1679131442 is about 1188.5794885323.

The spelling of 1679131442 in words is "one billion, six hundred seventy-nine million, one hundred thirty-one thousand, four hundred forty-two".