679240966903 has 4 divisors (see below), whose sum is σ = 702663069240. Its totient is φ = 655818864568.

The previous prime is 679240966897. The next prime is 679240966909. The reversal of 679240966903 is 309669042976.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (679240966897) and next prime (679240966909).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-679240966903 is a prime.

It is a super-2 number, since 2×679240966903² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679240966909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11711051125 + ... + 11711051182.

It is an arithmetic number, because the mean of its divisors is an integer number (175665767310).

Almost surely, 2^679240966903 is an apocalyptic number.

679240966903 is a deficient number, since it is larger than the sum of its proper divisors (23422102337).

679240966903 is a wasteful number, since it uses less digits than its factorization.

679240966903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23422102336.

The product of its (nonzero) digits is 26453952, while the sum is 61.

The spelling of 679240966903 in words is "six hundred seventy-nine billion, two hundred forty million, nine hundred sixty-six thousand, nine hundred three".