1679318619 has 32 divisors (see below), whose sum is σ = 2586968064. Its totient is φ = 958958880.

The previous prime is 1679318609. The next prime is 1679318653. The reversal of 1679318619 is 9168139761.

It is not a de Polignac number, because 1679318619 - 2⁹ = 1679318107 is a prime.

It is a super-2 number, since 2×1679318619² = 5640222048240134322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1679318609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34342 + ... + 67364.

It is an arithmetic number, because the mean of its divisors is an integer number (80842752).

Almost surely, 2^1679318619 is an apocalyptic number.

1679318619 is a deficient number, since it is larger than the sum of its proper divisors (907649445).

1679318619 is a wasteful number, since it uses less digits than its factorization.

1679318619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33127.

The product of its digits is 489888, while the sum is 51.

The square root of 1679318619 is about 40979.4902237693. The cubic root of 1679318619 is about 1188.6236515385.

The spelling of 1679318619 in words is "one billion, six hundred seventy-nine million, three hundred eighteen thousand, six hundred nineteen".