1679259971 has 2 divisors, whose sum is σ = 1679259972. Its totient is φ = 1679259970.

The previous prime is 1679259943. The next prime is 1679259991. The reversal of 1679259971 is 1799529761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1679259971 - 2¹⁰ = 1679258947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1679259931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839629985 + 839629986.

It is an arithmetic number, because the mean of its divisors is an integer number (839629986).

Almost surely, 2^1679259971 is an apocalyptic number.

1679259971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1679259971 is an equidigital number, since it uses as much as digits as its factorization.

1679259971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2143260, while the sum is 56.

The square root of 1679259971 is about 40978.7746400499. The cubic root of 1679259971 is about 1188.6098143368.

The spelling of 1679259971 in words is "one billion, six hundred seventy-nine million, two hundred fifty-nine thousand, nine hundred seventy-one".