679501369 has 4 divisors (see below), whose sum is σ = 701420800. Its totient is φ = 657581940.

The previous prime is 679501367. The next prime is 679501391. The reversal of 679501369 is 963105976.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 679501369 - 2¹ = 679501367 is a prime.

It is a super-2 number, since 2×679501369² = 923444220945748322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679501367) 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, 10959669 + ... + 10959730.

It is an arithmetic number, because the mean of its divisors is an integer number (175355200).

Almost surely, 2^679501369 is an apocalyptic number.

It is an amenable number.

679501369 is a deficient number, since it is larger than the sum of its proper divisors (21919431).

679501369 is a wasteful number, since it uses less digits than its factorization.

679501369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21919430.

The product of its (nonzero) digits is 306180, while the sum is 46.

The square root of 679501369 is about 26067.2470544935. The cubic root of 679501369 is about 879.1509411301.

The spelling of 679501369 in words is "six hundred seventy-nine million, five hundred one thousand, three hundred sixty-nine".