679655145743 has 8 divisors (see below), whose sum is σ = 776756275488. Its totient is φ = 582555900384.

The previous prime is 679655145733. The next prime is 679655145781. The reversal of 679655145743 is 347541556976.

It is a happy number.

679655145743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 824412²-1.

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

It is a cyclic number.

It is not a de Polignac number, because 679655145743 - 2⁸ = 679655145487 is a prime.

It is a super-2 number, since 2×679655145743² (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 (679655145713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412205 + ... + 1236617.

It is an arithmetic number, because the mean of its divisors is an integer number (97094534436).

Almost surely, 2^679655145743 is an apocalyptic number.

679655145743 is a deficient number, since it is larger than the sum of its proper divisors (97101129745).

679655145743 is a wasteful number, since it uses less digits than its factorization.

679655145743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942193.

The product of its digits is 95256000, while the sum is 62.

The spelling of 679655145743 in words is "six hundred seventy-nine billion, six hundred fifty-five million, one hundred forty-five thousand, seven hundred forty-three".